5-Letter Words Matching I___R

There are 12 5-letter words that match I___R. 6 are common words, such as ICIER and IDLER. A rarer one is ITHER. In this set, E is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 12

icieridlerincurinferinnerinterichorickerillerinkerinvarither

About this list

Words
12 (6 common words)
Common example
icier
Rare example
ither
Doubled letters
2
Ending in S
0
Most frequent letter
E (9)

Questions

How many 5-letter words matching i___r are there?

12. 6 of them are common words.

What is a common example?

ICIER is among the common words in this set.