subfloor

As nouns the difference between underlayment and subfloor

is that underlayment is something that is underlaid, such as planking in a room of a house; underlay while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As nouns the difference between underlay and subfloor

is that underlay is a layer (of earth, etc) that lies under another; substratum while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As a verb underlay

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

is likely misspelled.

has no English definition.

As a noun subfloor

is the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As nouns the difference between subfloor and undercoat

is that subfloor is the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet while undercoat is a layer of short hairs underneath the longer ones of an animal's fur.

As a verb undercoat is

to apply an undercoat.

In construction terms the difference between subfloor and substrate

is that subfloor is the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet while substrate is a surface to which a substance adheres.

As a verb substrate is

to strew or lay under.

As an adjective substrate is

having very slight furrows.

As nouns the difference between taxonomy and subfloor

is that taxonomy is the science or the technique used to make a classification while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As nouns the difference between carpet and subfloor

is that carpet is a fabric used as a complete floor covering while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As a verb carpet

is to lay carpet, or to have carpet installed, in an area.

As nouns the difference between flooring and subfloor

is that flooring is a floor while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As a verb flooring

is present participle of to floor .

As nouns the difference between floor and subfloor

is that floor is the bottom or lower part of any room; the supporting surface of a room while subfloor is (construction) the floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet.

As a verb floor

is to cover or furnish with a floor.