As nouns the difference between terms and preopercular
is that terms is while preopercular is (anatomy) the preoperculum.
As an adjective preopercular is
(anatomy) situated in front of the operculum.
terms
English
Noun
(head)
Statistics
*
----
preopercular
English
Adjective
(-)
(anatomy) Situated in front of the operculum.
(anatomy) Relating to the preoperculum.
Noun
(
en noun)
(anatomy) The preoperculum.