15-Letter Words Matching ____________AT_

There are 28 15-letter words that match ____________AT_. 1 are common words, such as INTERCOLLEGIATE and ANTEPENULTIMATE. A rarer one is UNCOMPASSIONATE. In this set, E is the most frequent open letter (27 words). 7 words contain a doubled letter.

Full list 28

Common words

intercollegiateantepenultimatearchiepiscopatecephalochordatecircumstantiateconsubstantiatemetropolitanateorganophosphateoverconsideratesesquicarbonatesimplicidentatetetrabranchiate
intercollegiateantepenultimatearchiepiscopatecephalochordatecircumstantiateconsubstantiatemetropolitanateorganophosphateoverconsideratesesquicarbonatesimplicidentatetetrabranchiatetransilluminateunproportionatealuminosilicatededifferentiatedephosphorylatedithiocarbamatelymphosarcomatamethylphenidateneuroblastomataovercommunicateoverorchestratephotodissociatephytoflagellatepseudocoelomatesubproletariatsuncompassionate

About this list

Words
28 (1 common words)
Common example
intercollegiate
Rare example
uncompassionate
Doubled letters
7
Ending in S
1
Most frequent letter
E (27)

Questions

How many 15-letter words matching ____________at_ are there?

28. 1 of them are common words.

What is a common example?

INTERCOLLEGIATE is among the common words in this set.