jigger vs harvest mite

jigger and harvest mite both are nouns.

Word	Noun	Adjective	Verb	Adverb
jigger	Yes	No	No	No
harvest mite	Yes	No	No	No

As nouns, jigger and harvest mite are synonyms defined as:

jigger and harvest mite: larval mite that sucks the blood of vertebrates including human beings causing intense irritation

Other synonyms of jigger include chigger, redbug.

jigger (noun)	harvest mite (noun)
larval mite that sucks the blood of vertebrates including human beings causing intense irritation	larval mite that sucks the blood of vertebrates including human beings causing intense irritation
a small glass adequate to hold a single swallow of whiskey
any small mast on a sailing vessel; especially the mizzenmast of a yawl