11-Letter Words Matching ____O__S___

There are 79 11-letter words that match ____O__S___. 20 are common words, such as APHRODISIAC and AUDIOVISUAL. A rarer one is VOODOOISTIC. In this set, I is the most frequent open letter (57 words). 28 words contain a doubled letter.

Full list 79

Common words

aphrodisiacaudiovisualauthoressesburgomasterconnoisseurdeaconessesdiscoursingdishonestlyimprovisersimprovisingimprovisorsmicrocosmic
aphrodisiacaudiovisualauthoressesburgomasterconnoisseurdeaconessesdiscoursingdishonestlyimprovisersimprovisingimprovisorsmicrocosmicpatronessesreprocessedreprocessessuccotashessyllogisticunprocessedunpromisingunwholesomecoprocessordisforesteddyslogisticefflorescedefflorescesjargonisticmacrocosmicmacrocosmosmelioristicmicrocosmosnondomesticpatroonshipprovostshippythonessesterroristicunprofessedanatomisinganchoressesantiobesityapologisingauthorisingbiologisticcustomisingdialogisticdiscoursersduopolisticeconomisingepitomisingfibrocysticglamorisinggongoristicharmonisinghydrolysatemacrofossilmethodisingmethodisticmicrobussesmicrofossilmisfocusingmisfocussedmisfocussesneologisticoutdoorsmanoutdoorsmenpatronisingphotomosaicphotoresistphotosystemprefocusingprefocussedprefocussespremonishedpremonishesreprovisionsymbolisingsymbolistictemporisingterrorisingvoodooistic

About this list

Words
79 (20 common words)
Common example
aphrodisiac
Rare example
voodooistic
Doubled letters
28
Ending in S
17
Most frequent letter
I (57)

Questions

How many 11-letter words matching ____o__s___ are there?

79. 20 of them are common words.

What is a common example?

APHRODISIAC is among the common words in this set.