13-Letter Words Containing OSA

There are 14 13-letter words that contain OSA. 2 are common words, such as STEGOSAURUSES and TYRANNOSAURUS. A rarer one is OSTEOSARCOMAS. In this set, R is the most frequent open letter (10 words). 3 words contain a doubled letter.

Full list 14

stegosaurusestyrannosaurusapatosaurusesbrachiosaurusdisposabilityichthyosauruslymphosarcomaprosaicnessessacrosanctityundiagnosablefibrosarcomasgalactosaminelosablenessesosteosarcomas

About this list

Words
14 (2 common words)
Common example
stegosauruses
Rare example
osteosarcomas
Doubled letters
3
Ending in S
9
Most frequent letter
R (10)

Questions

How many 13-letter words containing osa are there?

14. 2 of them are common words.

What is a common example?

STEGOSAURUSES is among the common words in this set.