9-Letter Words Start with 'op'

There are 63 9-letter words that start with 'op'.

opacified	opacifier	opacifies
opacities	opalesced	opalesces
openworks	operagoer	operantly
operatics	operating	operation
operative	operators	operceles
opercular	opercules	operculum
operettas	operosely	ophidians
ophiolite	ophiology	ophiuroid
opinioned	opiumisms	oppilated
oppilates	opponency	opponents
opportune	opposable	opposites
oppressed	oppresses	oppressor
oppugnant	oppugners	oppugning
opsonized	opsonizes	optatives
optically	opticians	opticists
optimally	optimised	optimises
optimisms	optimists	optimized
optimizer	optimizes	optionals
optionees	optioning	optometer
optometry	opulences	opulently
opuscular	opuscules	opusculum

Note: These 63 9-letter words that start with 'op' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with ope, opp, opt, opa, opi, oph, opu, ops, opo.

3-letter words start with 'op' (3)
4-letter words start with 'op' (7)
5-letter words start with 'op' (10)
6-letter words start with 'op' (21)
7-letter words start with 'op' (37)
8-letter words start with 'op' (55)
9-letter words start with 'op' (63)
10-letter words start with 'op' (41)
11-letter words start with 'op' (28)
12-letter words start with 'op' (19)
13-letter words start with 'op' (20)
14-letter words start with 'op' (14)
15-letter words start with 'op' (13)