12-Letter Words Containing OSA

There are 23 12-letter words that contain OSA. 2 are common words, such as BRONTOSAURUS and TYRANNOSAURS. A rarer one is PROSAUROPODS. In this set, R is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 23

brontosaurustyrannosaursdecomposableichthyosaursicosahedronsinterposablelollapaloosaopposabilityplesiosaurussacrosanctlysuperposabletransposableallosaurusesankylosaurusarchosauriancraniosacralfibrosarcomaglucosaminesleprosariumsnitrosaminesosteosarcomaphotomosaicsprosauropods

About this list

Words
23 (2 common words)
Common example
brontosaurus
Rare example
prosauropods
Doubled letters
4
Ending in S
12
Most frequent letter
R (18)

Questions

How many 12-letter words containing osa are there?

23. 2 of them are common words.

What is a common example?

BRONTOSAURUS is among the common words in this set.