crab vs aviation

crab and aviation both are nouns.

Word	Noun	Adjective	Verb	Adverb
crab	Yes	No	Yes	No
aviation	Yes	No	No	No

crab (noun)	aviation (noun)
a stroke of the oar that either misses the water or digs too deeply	travel via aircraft
decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers	the art of operating aircraft
a louse that infests the pubic region of the human body	the aggregation of a country's military aircraft
the edible flesh of any of various crabs	the operation of aircraft to provide transportation
a quarrelsome grouch

crab (verb)	aviation (verb)
complain
fish for crab
scurry sideways like a crab
direct (an aircraft) into a crosswind