13-Letter Words Matching A________M___

There are 14 13-letter words that match A________M___. 6 are common words, such as ACCOMPANIMENT and ADVERTISEMENT. A rarer one is ASTROCYTOMATA. 2 words contain a doubled letter.

Full list 14

accompanimentadvertisementadvertizementantihistamineapportionmentascertainmentadmeasurementastrodynamicsacetazolamideagamospermiesangiospermousantiacademicsanticonsumersastrocytomata

About this list

Words
14 (6 common words)
Common example
accompaniment
Rare example
astrocytomata
Doubled letters
2
Ending in S
5

Questions

How many 13-letter words matching a________m___ are there?

14. 6 of them are common words.

What is a common example?

ACCOMPANIMENT is among the common words in this set.