12-Letter Words Starting With OST

There are 16 12-letter words that start with OST. 5 are common words, such as OSTENTATIONS and OSTENTATIOUS. A rarer one is OSTEOSARCOMA. 0 words contain a doubled letter.

Full list 16

ostentationsostentatiousosteopathiesosteoporosesosteoporosisosteogenesisosteomalaciaosteoplasticosteoporoticostracodermsosteoblasticosteoclasticosteogenesesosteologicalosteologistsosteosarcoma

About this list

Words
16 (5 common words)
Common example
ostentations
Rare example
osteosarcoma
Doubled letters
0
Ending in S
9

Questions

How many 12-letter words starting with ost are there?

16. 5 of them are common words.

What is a common example?

OSTENTATIONS is among the common words in this set.