As a noun terms
is .
As a verb exestuate is
(obsolete|rare) to be agitated; to boil up; to effervesce.
terms
English
Noun
(head)
Statistics
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exestuate
English
Verb
(
exestuat)
(obsolete, rare) To be agitated; to boil up; to effervesce.
(
Webster 1913)