frill vs decoration

frill and decoration both are nouns.

Word	Noun	Adjective	Verb	Adverb
frill	Yes	No	No	No
decoration	Yes	No	No	No

As nouns, decoration is a hypernym of frill; that is, decoration is a word with a broader meaning than frill:

Other hypernyms of frill include ornament, ornamentation.

frill (noun)	decoration (noun)
a strip of pleated material used as a decoration or a trim	the act of decorating something (in the hope of making it more attractive)
ornamental objects of no great value	something used to beautify
an external body part consisting of feathers or hair about the neck of a bird or other animal	an award for winning a championship or commemorating some other event
(paleontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs