8-Letter Words Start with 'op'

There are 55 8-letter words that start with 'op'.

opalesce	opalines	opaquely	opaquest
opaquing	openable	opencast	openings
openness	openwork	operable	operably
operands	operants	operated	operates
operatic	operator	opercele	opercula
opercule	operetta	ophidian	opiating
opinions	opiumism	opossums	oppidans
oppilant	oppilate	opponent	opposers
opposing	opposite	oppugned	oppugner
opsonify	opsonins	opsonize	optative
optician	opticist	optimise	optimism
optimist	optimize	optimums	optional
optioned	optionee	opulence	opulency
opuntias	opuscula	opuscule

Note: These 55 8-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)