lederhosen vs short pants

lederhosen and short pants both are nouns.

Word	Noun	Adjective	Verb	Adverb
lederhosen	Yes	No	No	No
short pants	Yes	No	No	No

As nouns, short pants is a hypernym of lederhosen; that is, short pants is a word with a broader meaning than lederhosen:

lederhosen: leather shorts often worn with suspenders; worn especially by men and boys in Bavaria
short pants: (used in the plural) trousers that end at or above the knee

Other hypernyms of lederhosen include shorts, trunks.

lederhosen (noun)	short pants (noun)
leather shorts often worn with suspenders; worn especially by men and boys in Bavaria	(used in the plural) trousers that end at or above the knee