10-Letter Words Matching _____O___A

There are 21 10-letter words that match _____O___A. 2 are common words, such as LYMPHOMATA and MELANOMATA. A rarer one is XANTHOMATA. In this set, A is the most frequent open letter (18 words). 1 words contain a doubled letter.

Full list 21

lymphomatamelanomataaerodontiachromonemahematomataphylloxeraaficionadaatheromatablastomatachionodoxacolobomatahepatomatakeratomatamycetomatapraenominaproctodaeaprodromatascleromatasynaloephateratomataxanthomata

About this list

Words
21 (2 common words)
Common example
lymphomata
Rare example
xanthomata
Doubled letters
1
Ending in S
0
Most frequent letter
A (18)

Questions

How many 10-letter words matching _____o___a are there?

21. 2 of them are common words.

What is a common example?

LYMPHOMATA is among the common words in this set.