underlay

As nouns the difference between underlay and underclay

is that underlay is a layer (of earth, etc) that lies under another; substratum while underclay is (geology) a stratum of clay lying beneath a coal bed.

As a verb underlay

is (underlie) or underlay can be to lay (something) underneath something else; to put under.

As verbs the difference between underlay and underly

is that underlay is simple past of underlie while underly is an alternative spelling of lang=en.

As a noun underlay

is a layer (of earth, etc.) that lies under another; substratum.

As an adjective underly is

poor; inferior.

As verbs the difference between underlay and underpay

is that underlay is (underlie) or underlay can be to lay (something) underneath something else; to put under while underpay is to pay someone less than the value of their work.

As a noun underlay

is a layer (of earth, etc) that lies under another; substratum.

As nouns the difference between underlay and underway

is that underlay is a layer (of earth, etc) that lies under another; substratum while underway is a road, track, path, or street for going under another way or obstacle.

As a verb underlay

is (underlie) or underlay can be to lay (something) underneath something else; to put under.

As an adverb underway is

in motion, in progress; being done or carried out.

In transitive terms the difference between underlay and underplay

is that underlay is to put a tap on (a shoe) while underplay is to play in a subordinate, or in an inferior manner; to underact a part.

As verbs the difference between underlay and underplay

is that underlay is simple past of underlie while underplay is to play in a subordinate, or in an inferior manner; to underact a part.

As nouns the difference between underlay and underplay

is that underlay is a layer (of earth, etc.) that lies under another; substratum while underplay is the act of underplaying.