15-Letter Scrabble Words Starting With O
There are 259 valid 15 letter Scrabble words starting with O in the TWL dictionary. Top scorers include OXYPHENBUTAZONE (41 pts), OBJECTIVIZATION (38 pts), OVEREMPHASIZING (35 pts), OOPHORECTOMIZED (34 pts) and OVERHOMOGENIZED (34 pts). Every word below shows its Scrabble and Words With Friends point value and links to a full definition — a quick Scrabble word finder and word unscrambler reference for when you know the first letter, whether that's a crossword clue or a Wordle guess. Also try J-first 15 letter word list.
259
Total Words
24.0
Avg. Scrabble Points
1
"O" Tile Value
41
Top Score (OXYPHENBUTAZONE)
Highest Scoring 15-Letter Scrabble Words Starting With O
These are the highest-scoring 15 letter Scrabble words starting with O in the TWL dictionary, ranked by point value — the best O 15 letter words to play when you want to maximize your rack in Scrabble or Words With Friends. Further down the board, OOPHORECTOMIZES (33 pts) and OXYHAEMOGLOBINS (33 pts) still hold their own. Also try Scrabble words ending in R, 5 letters.
| # | Word | Scrabble pts | WWF pts |
|---|---|---|---|
| 1 | oxyphenbutazone | 41 | 44 |
| 2 | objectivization | 38 | 44 |
| 3 | overemphasizing | 35 | 39 |
| 4 | oophorectomized | 34 | 36 |
| 5 | overhomogenized | 34 | 37 |
| 6 | oophorectomizes | 33 | 35 |
| 7 | overhomogenizes | 33 | 36 |
| 8 | oxyhaemoglobins | 33 | 36 |
Full List: 259 15-Letter Scrabble Words Starting With O
Browse the complete 15 letter word list starting with O, sorted from highest to lowest Scrabble score. Every entry is a valid 15-letter Scrabble word starting with O, also checked against the Words With Friends dictionary — click any word for its full definition, anagrams, and point breakdown. Scores range from OXYPHENBUTAZONE (41 pts) down to OSTREICULTURIST (17 pts). Also try L middle-letter word list, 15 letters.
OXYPHENBUTAZONE41 pts
OBJECTIVIZATION38 pts
OVEREMPHASIZING35 pts
OOPHORECTOMIZED34 pts
OVERHOMOGENIZED34 pts
OOPHORECTOMIZES33 pts
OVERHOMOGENIZES33 pts
OXYHAEMOGLOBINS33 pts
OPHTHALMOPHOBIA32 pts
OVERADVERTIZING32 pts
OVERCAPITALIZED32 pts
OVERSPECIALIZED32 pts
OXYTETRACYCLINE32 pts
OBJECTIFICATION31 pts
OPHTHALMOSCOPIC31 pts
ORTHOPSYCHIATRY31 pts
OVERCAPITALIZES31 pts
OVERDRAMATIZING31 pts
OVERFERTILIZING31 pts
OVERGLAMORIZING31 pts
OVERGLAMOURIZED31 pts
OVERSPECIALIZES31 pts
OCCIDENTALIZING30 pts
ONYCHOCRYPTOSES30 pts
ONYCHOCRYPTOSIS30 pts
ORTHOPHOSPHORIC30 pts
OVERCENTRALIZED30 pts
OVEREXUBERANTLY30 pts
OVERGLAMOURIZES30 pts
OBJECTIVENESSES29 pts
OPHTHALMOSCOPES29 pts
ORNITHORHYNCHUS29 pts
ORTHOGONALIZING29 pts
OVERCENTRALIZES29 pts
OVEREXCITEMENTS29 pts
OVEREXPECTATION29 pts
OVEREXTRAVAGANT29 pts
OVERGENERALIZED29 pts
OVERSIMPLIFYING29 pts
OVERWITHHOLDING29 pts
OVOVIVIPAROUSLY29 pts
OPHTHALMOPLEGIA28 pts
OPTIMALIZATIONS28 pts
ORTHOPHOSPHATES28 pts
OVERACHIEVEMENT28 pts
OVERADJUSTMENTS28 pts
OVEREXAGGERATED28 pts
OVERGENERALIZES28 pts
OCHLOCRATICALLY27 pts
ODONTORHYNCHOUS27 pts
OLIGOMERIZATION27 pts
OPHTHALMOMETERS27 pts
ORTHOCHROMATISM27 pts
OVERCLASSIFYING27 pts
OVERCOMPLICATED27 pts
OVERCONFIDENTLY27 pts
OVEREMPLOYMENTS27 pts
OVEREXAGGERATES27 pts
OVEREXTRACTIONS27 pts
OVEREXTRAPOLATE27 pts
OVERUTILIZATION27 pts
OVERZEALOUSNESS27 pts
OFFHANDEDNESSES26 pts
OLIGOCYTHAEMIAS26 pts
OPHTHALMOLOGIES26 pts
OPHTHALMOLOGIST26 pts
OPISTHOGNATHISM26 pts
OPISTHOGRAPHIES26 pts
ORCHESOGRAPHIES26 pts
OREOGRAPHICALLY26 pts
ORGANOPHOSPHATE26 pts
ORTHOPAEDICALLY26 pts
OVERCOMMITMENTS26 pts
OVERCOMMUNICATE26 pts
OVERCOMPLIANCES26 pts
OVERCOMPLICATES26 pts
OVERCONFIDENCES26 pts
OVERDEVELOPMENT26 pts
OVEREMBELLISHED26 pts
OVEREMPHASISING26 pts
OVERFAMILIARITY26 pts
OVERFULFILLMENT26 pts
OVERIDENTIFYING26 pts
OVERMULTIPLYING26 pts
OVERPROGRAMMING26 pts
OVOVIVIPARITIES26 pts
OXIDOREDUCTASES26 pts
OCEANOGRAPHICAL25 pts
OESOPHAGOSCOPES25 pts
OMNICOMPETENCES25 pts
OOPHORECTOMISED25 pts
OSTEOPATHICALLY25 pts
OVERAMBITIOUSLY25 pts
OVERCOMPENSATED25 pts
OVERCOMPRESSING25 pts
OVEREMBELLISHES25 pts
OVERFLOURISHING25 pts
OVERFORWARDNESS25 pts
OVERHARVESTINGS25 pts
OVERHOMOGENISED25 pts
OVERPRESCRIBING25 pts
OVERSUBSCRIBING25 pts
OBNOXIOUSNESSES24 pts
OFFENSIVENESSES24 pts
OLIGOSACCHARIDE24 pts
OMNIBENEVOLENCE24 pts
OMNISEXUALITIES24 pts
OOPHORECTOMISES24 pts
OPISTHOGNATHOUS24 pts
ORGANOGRAPHICAL24 pts
ORIENTALIZATION24 pts
ORNITHODELPHIAN24 pts
ORNITHODELPHOUS24 pts
ORTHODONTICALLY24 pts
OUTPERFORMANCES24 pts
OVERAPPLICATION24 pts
OVERCOMPENSATES24 pts
OVERCONSUMPTION24 pts
OVERDEPENDENCES24 pts
OVERDOCUMENTING24 pts
OVERHOMOGENISES24 pts
OVERIMAGINATIVE24 pts
OVERPESSIMISTIC24 pts
OVERSENSITIVITY24 pts
OBSERVATIONALLY23 pts
OFFICIOUSNESSES23 pts
OLIGODENDROCYTE23 pts
OMOPLATOSCOPIES23 pts
OPENMOUTHEDNESS23 pts
OSCILLOGRAPHIES23 pts
OUTDOORSMANSHIP23 pts
OVERACCENTUATED23 pts
OVERADVERTISING23 pts
OVERCAPITALISED23 pts
OVERCONSTRUCTED23 pts
OVERCULTIVATION23 pts
OVEREMOTIONALLY23 pts
OVERENTHUSIASMS23 pts
OVERINVESTMENTS23 pts
OVERLENGTHENING23 pts
OVERMANAGEMENTS23 pts
OVERMEDICATIONS23 pts
OVERNOURISHMENT23 pts
OVERORCHESTRATE23 pts
OVERPREDICTIONS23 pts
OVERPRODUCTIONS23 pts
OVERREFINEMENTS23 pts
OVERSPECIALISED23 pts
OVERSPECULATING23 pts
OBSERVABILITIES22 pts
OBSTRUCTIONALLY22 pts
OBSTRUCTIVENESS22 pts
OCCLUSIVENESSES22 pts
OPSONIFICATIONS22 pts
ORGANOGRAPHISTS22 pts
OVERABSTRACTION22 pts
OVERACCENTUATES22 pts
OVERCAPITALISES22 pts
OVERCORRECTIONS22 pts
OVERDETERMINING22 pts
OVERDISCOUNTING22 pts
OVERDIVERSITIES22 pts
OVERDRAMATISING22 pts
OVERENCOURAGING22 pts
OVERFERTILISING22 pts
OVERGLAMORISING22 pts
OVERINDULGENCES22 pts
OVERMULTITUDING22 pts
OVERPOPULATIONS22 pts
OVERPREPARATION22 pts
OVERPROPORTIONS22 pts
OVERPROTECTIONS22 pts
OVERSPECIALISES22 pts
OVERSPECULATION22 pts
OVERWEENINGNESS22 pts
OBSTRUCTIONISMS21 pts
OCCIDENTALISING21 pts
OESTROGENICALLY21 pts
ONEIROCRITICISM21 pts
ONTOGENETICALLY21 pts
OPENHEARTEDNESS21 pts
OPPROBRIOUSNESS21 pts
OPTOELECTRONICS21 pts
ORGANOCHLORINES21 pts
ORGANOTHERAPIES21 pts
OSTEOMYELITIDES21 pts
OUTSPOKENNESSES21 pts
OVERARTICULATED21 pts
OVERBEARINGNESS21 pts
OVERCENTRALISED21 pts
OVERCONTROLLING21 pts
OVERCREDULITIES21 pts
OVERDECORATIONS21 pts
OVERELABORATING21 pts
OVEREVALUATIONS21 pts
OVERHASTINESSES21 pts
OVERINTERPRETED21 pts
OVEROPINIONATED21 pts
OVERORNAMENTING21 pts
OVERREPRESENTED21 pts
OVERSTIMULATING21 pts
OVERSTRUCTURING21 pts
OVERSWEETNESSES21 pts
OBLIVIOUSNESSES20 pts
OBSESSIVENESSES20 pts
OBTRUSIVENESSES20 pts
OMNIDIRECTIONAL20 pts
OMNIFARIOUSNESS20 pts
ONCOGENETICISTS20 pts
OPERATIVENESSES20 pts
ORCHESTRATIONAL20 pts
ORGANOMERCURIAL20 pts
ORGANOMETALLICS20 pts
ORTHOGONALISING20 pts
OSTEOARTHRITICS20 pts
OSTEOMYELITISES20 pts
OUTMANIPULATING20 pts
OVERARTICULATES20 pts
OVERASSESSMENTS20 pts
OVERCENTRALISES20 pts
OVERELABORATION20 pts
OVERENGINEERING20 pts
OVERESTIMATIONS20 pts
OVERGENERALISED20 pts
OVERPERSUASIONS20 pts
OVERSTABILITIES20 pts
OVERSTIMULATION20 pts
OBSESSIONALISMS19 pts
OBSTRUCTIONISTS19 pts
OBTAINABILITIES19 pts
OCCASIONALITIES19 pts
OCTOCENTENARIES19 pts
ODORIFEROUSNESS19 pts
OLIGODENDROGLIA19 pts
OLIGONUCLEOTIDE19 pts
OPERATIONALISMS19 pts
OPPORTUNENESSES19 pts
OPTIMALISATIONS19 pts
ORTHOGONALITIES19 pts
OVEREAGERNESSES19 pts
OVERENTERTAINED19 pts
OVERGENERALISES19 pts
OVERINGENUITIES19 pts
OVERREGULATIONS19 pts
ODONTOSTOMATOUS18 pts
OLIGOMERISATION18 pts
OPINIONATEDNESS18 pts
ORIENTATIONALLY18 pts
OSMOREGULATIONS18 pts
OVERALERTNESSES18 pts
OVEREARNESTNESS18 pts
OVERINTENSITIES18 pts
OVERSATURATIONS18 pts
OVERUTILISATION18 pts
OBSTINATENESSES17 pts
OPERATIONALISTS17 pts
ORACULOUSNESSES17 pts
OSTENSIBILITIES17 pts
OSTREICULTURIST17 pts
Lowest Scoring 15-Letter Scrabble Words Starting With O
On the other end of the board, these are the lowest-scoring 15 letter Scrabble words starting with O in the TWL dictionary — still valid plays, just not the ones to reach for when you need maximum points.
OSTREICULTURIST 17 pts
OSTENSIBILITIES 17 pts
ORACULOUSNESSES 17 pts
OPERATIONALISTS 17 pts
OBSTINATENESSES 17 pts
OVERUTILISATION 18 pts
OVERSATURATIONS 18 pts
OVERINTENSITIES 18 pts