inking pad vs stamp pad

inking pad and stamp pad both are nouns.

Word	Noun	Adjective	Verb	Adverb
inking pad	Yes	No	No	No
stamp pad	Yes	No	No	No

As nouns, inking pad and stamp pad are synonyms defined as:

inking pad and stamp pad: a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp

Other synonyms of inking pad include inkpad, pad.

inking pad (noun)	stamp pad (noun)
a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp	a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp