daub vs clay

daub and clay both are nouns.

Word	Noun	Adjective	Verb	Adverb
daub	Yes	No	Yes	No
clay	Yes	No	No	No

As nouns, clay is a hypernym of daub; that is, clay is a word with a broader meaning than daub:

daub: material used to daub walls
clay: a very fine-grained soil that is plastic when moist but hard when fired

daub (noun)	clay (noun)
an unskillful painting	the dead body of a human being
a blemish made by dirt	a very fine-grained soil that is plastic when moist but hard when fired
material used to daub walls	water soaked soil; soft wet earth

daub (verb)	clay (verb)
cover (a surface) by smearing (a substance) over it
coat with plaster
apply to a surface