trunk hose vs knickerbockers

trunk hose and knickerbockers both are nouns.

Word	Noun	Adjective	Verb	Adverb
trunk hose	Yes	No	No	No
knickerbockers	Yes	No	No	No

As nouns, knickerbockers is a hypernym of trunk hose; that is, knickerbockers is a word with a broader meaning than trunk hose:

trunk hose: puffed breeches of the 16th and 17th centuries usually worn over hose
knickerbockers: (used in the plural) trousers ending above the knee

Other hypernyms of trunk hose include breeches, knee breeches, knee pants, knickers.

trunk hose (noun)	knickerbockers (noun)
puffed breeches of the 16th and 17th centuries usually worn over hose	(used in the plural) trousers ending above the knee