13-Letter Words Matching _________A_I_

There are 50 13-letter words that match _________A_I_. 10 are common words, such as DIAPHRAGMATIC and ELECTROSTATIC. A rarer one is UNSYMPTOMATIC. In this set, C is the most frequent open letter (45 words). 6 words contain a doubled letter.

Full list 50

Common words

diaphragmaticelectrostaticelephantiasisidiosyncraticmonochromaticnondemocraticparaphernaliapsychosomaticsemiautomaticthermodynamicconglomeraticgerontocratic
diaphragmaticelectrostaticelephantiasisidiosyncraticmonochromaticnondemocraticparaphernaliapsychosomaticsemiautomaticthermodynamicconglomeraticgerontocratichelminthiasishomochromatichydrocephalicideogrammaticleishmaniasismacrocephalicmesencephalicmicrocephalicmonogrammaticnondiplomaticorthocephalicpentasyllabicpolychromaticprodemocratictachyphylaxisuncharismaticunderemphasisunproblematicantirheumaticbiosystematicchondrocraniachromonematicendolymphaticintrathoracicisocarboxazidlogogrammaticmagnetostaticmetachromaticmetencephalicmicroclimaticmultisyllabicnonsystematicpantisocraticposttraumaticpsychodynamictelencephalictransthoracicunsymptomatic

About this list

Words
50 (10 common words)
Common example
diaphragmatic
Rare example
unsymptomatic
Doubled letters
6
Ending in S
5
Most frequent letter
C (45)

Questions

How many 13-letter words matching _________a_i_ are there?

50. 10 of them are common words.

What is a common example?

DIAPHRAGMATIC is among the common words in this set.