13-Letter Words Matching ____I___S____

There are 16 13-letter words that match ____I___S____. 4 are common words, such as DISCIPLESHIPS and MERCILESSNESS. A rarer one is UREDINIOSPORE. In this set, E is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 16

discipleshipsmercilessnesspartisanshipsreceivershipsamphiprostylecardinalshipsglutinousnessoverinsistenttachistoscopetergiversatedtergiversatestergiversatorunanimousnessnondiffusiblesurvivorshipsurediniospore

About this list

Words
16 (4 common words)
Common example
discipleships
Rare example
urediniospore
Doubled letters
4
Ending in S
9
Most frequent letter
E (13)

Questions

How many 13-letter words matching ____i___s____ are there?

16. 4 of them are common words.

What is a common example?

DISCIPLESHIPS is among the common words in this set.