sick call vs sick parade

sick call and sick parade both are nouns.

Word	Noun	Adjective	Verb	Adverb
sick call	Yes	No	No	No
sick parade	Yes	No	No	No

As nouns, sick call and sick parade are synonyms defined as:

sick call and sick parade: the daily military formation at which individuals report to the medical officer as sick

sick call (noun)	sick parade (noun)
the daily military formation at which individuals report to the medical officer as sick	the daily military formation at which individuals report to the medical officer as sick