5-Letter Words Matching N_I__

There are 13 5-letter words that match N_I__. 7 are common words, such as NAIAD and NAIFS. A rarer one is NOIRS. In this set, S is the most frequent open letter (8 words). 0 words contain a doubled letter.

Full list 13

naiadnaifsnailsnaiveneighnoisenoisynairaneifsneistnoilsnoilynoirs

About this list

Words
13 (7 common words)
Common example
naiad
Rare example
noirs
Doubled letters
0
Ending in S
5
Most frequent letter
S (8)

Questions

How many 5-letter words matching n_i__ are there?

13. 7 of them are common words.

What is a common example?

NAIAD is among the common words in this set.