As nouns the difference between underclay and underplay
is that underclay is (geology) a stratum of clay lying beneath a coal bed while underplay is the act of underplaying.
As a verb underplay is
to play in a subordinate, or in an inferior manner; to underact a part.
underclay
English
Noun
(
en noun)
(geology) A stratum of clay lying beneath a coal bed.
underplay
English
Noun
(head)
The act of underplaying.
Verb
(
en verb)
To play in a subordinate, or in an inferior manner; to underact a part.
(card games) To play a low card when holding a high one, in the hope of a future advantage.