Potato, Tomato, Lorado.
A five letter word with the third letter O and the last letter C is stoic.
The six-letter word you can form with the letters O, S, A, C, I, and F is "fiasco."
overdo
Octopi
Some six letter words that start with the letter O include: - orange - ornate - opened - opined - organs
Idiots
Some five letter words with the last letter O are:achooaudiobanjobingobimbobongobravoburrocargocellocombocondocredodingodiscodittogeckoguanogustoHellohippohydroigloojumbokazoolassolimbolingomachomangomottonachopatiopestophotopianopintoprontoradioRatiorhinorodeoromeosalvoschmostenotabootangotempotorsoturbowackowazooyahoo
Lake HURONSome words that have O as the second to last letter are:actorarborardorbloombroomcolordroopgloomgroomheronfloorfurormajormayormelonmoronmotorproofrumorsalonshootspoontumorvalorvaporwhoop
cocoon
oragano
Food.
Possibly Occult.