15-Letter Words Matching __________T__A_

There are 18 15-letter words that match __________T__A_. 1 are common words, such as INTELLIGENTSIAS and CRYPTANALYTICAL. A rarer one is ULTRASTRUCTURAL. In this set, L is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 18

intelligentsiascryptanalyticalinfrastructuralnonagriculturalpreagriculturalsuperstructuralanticlimacticalantitheoreticalbiomathematicalcounterculturalmacrostructuralmicroanalyticalmicrostructuralnonmathematicalpantisocraticalretinoblastomassemiterrestrialultrastructural

About this list

Words
18 (1 common words)
Common example
intelligentsias
Rare example
ultrastructural
Doubled letters
2
Ending in S
2
Most frequent letter
L (18)

Questions

How many 15-letter words matching __________t__a_ are there?

18. 1 of them are common words.

What is a common example?

INTELLIGENTSIAS is among the common words in this set.