trimming vs clipping

trimming and clipping both are nouns.

Word	Noun	Adjective	Verb	Adverb
trimming	Yes	No	No	No
clipping	Yes	No	No	No

As nouns, trimming and clipping are synonyms defined as:

Other synonyms of trimming include trim.

trimming (noun)	clipping (noun)
the act of adding decoration	the act of clipping or snipping
cutting down to the desired size or shape	cutting down to the desired size or shape
a decoration or adornment typically on the edge of a garment	an excerpt cut from a newspaper or magazine