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Scrabble UK Words that Start with 'O'

Explore all words starting with O - your complete resource featuring many valid words for word games and puzzles. Also discover words ending in O and words containing O. For specific lengths, try 5-letter words starting with O perfect for Wordle, or 7-letter words starting with O for maximum Scrabble scores. Need more combinations? Check words starting with O and ending with ING. Use our crossword solver or today's Wordle answer for puzzle help.

14-Letter Words

OBDURATENESSES17OBEDIENTIARIES17OBJECTIVATIONS28OBJECTLESSNESS25OBLIGATORINESS17OBLIGINGNESSES18OBSEQUIOUSNESS25OBSERVABLENESS21OBSOLETENESSES16OBSTREPERATING19OBSTREPEROUSLY21OBSTRUCTIONISM20OBSTRUCTIONIST18OCCASIONALISMS20OCCASIONALISTS18OCCIDENTALISED20OCCIDENTALISES19OCCIDENTALISMS21OCCIDENTALISTS19OCCIDENTALIZED29OCCIDENTALIZES28OCCUPATIONALLY23OCEANOGRAPHERS22OCEANOGRAPHIES22OCTINGENTENARY20OCTODECILLIONS19ODONATOLOGISTS16ODONTOGLOSSUMS18ODONTOGRAPHIES21OESOPHAGITISES20OESOPHAGOSCOPE24OESOPHAGOSCOPY27OLEAGINOUSNESS15OLEOMARGARINES17OLFACTOLOGISTS20OLFACTOMETRIES21OLIGARCHICALLY25OLIGOCYTHAEMIA25OLIGOPSONISTIC19OMBUDSMANSHIPS26OMISSIVENESSES19OMNIBENEVOLENT21OMNICOMPETENCE24OMNIVOROUSNESS19OMPHALOMANCIES25OMPHALOSKEPSES27OMPHALOSKEPSIS27ONCHOCERCIASES23ONCHOCERCIASIS23ONCOGENETICIST19ONCOGENICITIES19ONCORNAVIRUSES19ONEIROCRITICAL18ONEIROSCOPISTS18ONOMASIOLOGIES17ONOMATOLOGISTS17ONOMATOPOIESES18ONOMATOPOIESIS18ONYCHOPHAGISTS28OOPHORECTOMIES23OOPHORECTOMISE23OOPHORECTOMIZE32OPENHANDEDNESS21OPERATIONALISM18OPERATIONALIST16OPHTHALMITISES24OPHTHALMOLOGIC27OPHTHALMOMETER26OPHTHALMOMETRY29OPHTHALMOSCOPE28OPHTHALMOSCOPY31OPINIONATIVELY22OPISTHOBRANCHS26OPISTHOCOELIAN21OPISTHOCOELOUS21OPISTHOGLOSSAL20OPISTHOGRAPHIC27OPISTHOTONOSES19OPPIGNORATIONS19OPPOSABILITIES20OPPOSITENESSES18OPPOSITIONISTS18OPPOSITIONLESS18OPPRESSIVENESS21OPSONIFICATION21OPTIMALISATION18OPTIMALIZATION27OPTIMISTICALLY23OPTOELECTRONIC20ORACULARNESSES16ORBICULARITIES18ORCHESTRALISTS19ORCHESTRATIONS19ORCHIDECTOMIES24ORCHIDOLOGISTS21ORCHIDOMANIACS24ORDINARINESSES15ORGANISABILITY20ORGANISATIONAL15ORGANISMICALLY22

What is the highest scoring 13-Letter word starting with 'O' in Scrabble?

The highest scoring 13-letter word starting with 'O' in Scrabble is OBJECTIVIZING with a total of 37 points.

O1
B3
J8
E1
C3
T1
I1
V4
I1
Z10
I1
N1
G2

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