5-Letter Words Matching O__I_

There are 23 5-letter words that match O__I_. 6 are common words, such as OASIS and OLDIE. A rarer one is OXLIP. In this set, R is the most frequent open letter (8 words). 4 words contain a doubled letter.

Full list 23

oasisoldieopticorbitorrisovoidohmicoleicoleinonticootidornisosmicoidiaoorieopsinorcinorgicorpinossiaostiaourieoxlip

About this list

Words
23 (6 common words)
Common example
oasis
Rare example
oxlip
Doubled letters
4
Ending in S
3
Most frequent letter
R (8)

Questions

How many 5-letter words matching o__i_ are there?

23. 6 of them are common words.

What is a common example?

OASIS is among the common words in this set.