14-Letter Words Matching ___AM_________

There are 20 14-letter words that match ___AM_________. 5 are common words, such as METAMORPHOSING and ORNAMENTATIONS. A rarer one is TRIAMCINOLONES. In this set, E is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 20

metamorphosingornamentationsparamilitariesperambulationssteamrolleringdisambiguationcalamitousnesscaramelizationdexamethasonesdisambiguatingdynamoelectricparamagnetismsparametricallychlamydosporesdecamethoniumsdreamfulnessesforaminiferanshexamethoniumsparameterizingtriamcinolones

About this list

Words
20 (5 common words)
Common example
metamorphosing
Rare example
triamcinolones
Doubled letters
4
Ending in S
12
Most frequent letter
E (18)

Questions

How many 14-letter words matching ___am_________ are there?

20. 5 of them are common words.

What is a common example?

METAMORPHOSING is among the common words in this set.