7-Letter Words Matching ___OI__

There are 79 7-letter words that match ___OI__. 25 are common words, such as ADJOINS and APPOINT. A rarer one is VIROIDS. In this set, S is the most frequent open letter (48 words). 5 words contain a doubled letter.

Full list 79

Common words

adjoinsappointechoingenjoinshaloingheroicsheroineheroinsheroisminvoicekayoingmemoirs
adjoinsappointechoingenjoinshaloingheroicsheroineheroinsheroisminvoicekayoingmemoirsongoingreboilsrecoilsredoingrejoicerejoinsshooingsoloingsoloistuncoilsundoingvetoingzeroingdemoingopioidsadjointarmoireassoilsconoidscuboidsdacoitsdacoitydevoicedevoirsechoismfucoidsgadoidsganoidsingoingjudoistlipoidslocoismmeloidsnonoilyrevoiceunvoicealtoistamboinaautoingceboidscojoinsdadoingdakoitsdakoitydodoismentoilsessoinsgenoisehaloidsheroizehoboinghoboismhypoingkeloidslocoingmucoidspoloistrecoinssiloingtoroidstoxoidsunjointunnoisyupboilsupcoilsupgoingviroids

About this list

Words
79 (25 common words)
Common example
adjoins
Rare example
viroids
Doubled letters
5
Ending in S
34
Most frequent letter
S (48)

Questions

How many 7-letter words matching ___oi__ are there?

79. 25 of them are common words.

What is a common example?

ADJOINS is among the common words in this set.