goffer vs smoothing iron

goffer and smoothing iron both are nouns.

Word	Noun	Adjective	Verb	Adverb
goffer	Yes	No	Yes	No
smoothing iron	Yes	No	No	No

As nouns, smoothing iron is a hypernym of goffer; that is, smoothing iron is a word with a broader meaning than goffer:

goffer: an iron used to press pleats and ridges
smoothing iron: home appliance consisting of a flat metal base that is heated and used to smooth cloth

Other hypernyms of goffer include iron.

goffer (noun)	smoothing iron (noun)
an ornamental frill made by pressing pleats	home appliance consisting of a flat metal base that is heated and used to smooth cloth
an iron used to press pleats and ridges
a zealously energetic person (especially a salesman)

goffer (verb)	smoothing iron (verb)
make wavy with a heated goffering iron