13-Letter Words Matching _________AS__

There are 26 13-letter words that match _________AS__. 3 are common words, such as ELEPHANTIASES and ELEPHANTIASIS. A rarer one is UNDEREMPHASES. In this set, S is the most frequent open letter (24 words). 2 words contain a doubled letter.

Full list 26

Common words

elephantiaseselephantiasissteeplechasescounterblastsdermatoplastyerythroblastshelminthiasisleishmaniasesleishmaniasissteeplechaserthoracoplastyunderemphasis
elephantiaseselephantiasissteeplechasescounterblastsdermatoplastyerythroblastshelminthiasisleishmaniasesleishmaniasissteeplechaserthoracoplastyunderemphasisbronchospasmscarbohydrasesendonucleasesenterokinasesergastoplasmsexopeptidaseshelminthiaseshypospadiasesnonbroadcastsnucleotidasesphragmoplastsribonucleasestransaminasesunderemphases

About this list

Words
26 (3 common words)
Common example
elephantiases
Rare example
underemphases
Doubled letters
2
Ending in S
23
Most frequent letter
S (24)

Questions

How many 13-letter words matching _________as__ are there?

26. 3 of them are common words.

What is a common example?

ELEPHANTIASES is among the common words in this set.