As a noun terms
is .
As a verb unseats is
(unseat).
terms
English
Noun
(head)
Statistics
*
----
unseats
English
Verb
(
head)
(unseat)
* 1907 , The Heating and Ventilating Magazine , Volume 4, Issue 10
- ...and lifts a special bronze diaphragm which unseats the upper valve pin.