knickers vs trunk hose

knickers and trunk hose both are nouns.

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

As nouns, trunk hose is a hyponym of knickers; that is, trunk hose is a word with a more specific, narrower meaning than knickers:

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

Other hyponyms of knickers include britches, buckskins, plus fours.

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