10-Letter Words Containing OPT

There are 27 10-letter words that contain OPT. 5 are common words, such as HELICOPTER and OPTIMISTIC. A rarer one is SUPRAOPTIC. In this set, I is the most frequent open letter (21 words). 1 words contain a doubled letter.

Full list 27

Common words

helicopteroptimisticoptimizingoptionallyreadoptingadoptivelycatoptricscoleoptilemonopterosoptimalityoptimizersoptometric
helicopteroptimisticoptimizingoptionallyreadoptingadoptivelycatoptricscoleoptilemonopterosoptimalityoptimizersoptometricreadoptionsuboptimalsynopticalcoleopterahelicoptedhemoptyseshemoptysishomopterannonoptimaloptativelyoptimisingorthopterapreadoptedsuboptimumsupraoptic

About this list

Words
27 (5 common words)
Common example
helicopter
Rare example
supraoptic
Doubled letters
1
Ending in S
5
Most frequent letter
I (21)

Questions

How many 10-letter words containing opt are there?

27. 5 of them are common words.

What is a common example?

HELICOPTER is among the common words in this set.