skimming vs grazing

skimming and grazing both are nouns.

Word	Noun	Adjective	Verb	Adverb
skimming	Yes	No	No	No
grazing	Yes	No	No	No

As nouns, skimming and grazing are synonyms defined as:

Other synonyms of skimming include shaving.

skimming (noun)	grazing (noun)
the act of removing floating material from the surface of a liquid	the act of brushing against while passing
failure to declare income in order to avoid paying taxes on it	the act of grazing
the act of brushing against while passing
reading or glancing through quickly