machine vs tail fin

machine and tail fin both are nouns.

Word	Noun	Adjective	Verb	Adverb
machine	Yes	No	Yes	No
tail fin	Yes	No	No	No

machine (noun)	tail fin (noun)
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks	the tail of fishes and some other aquatic vertebrates
a motor vehicle with four wheels; usually propelled by an internal combustion engine	a stabilizer that is part of the vertical tail structure of an airplane
a device for overcoming resistance at one point by applying force at some other point	one of a pair of decorations projecting above the rear fenders of an automobile
a group that controls the activities of a political party
an intricate organization that accomplishes its goals efficiently
an efficient person

machine (verb)	tail fin (verb)
make by machinery
turn, shape, mold, or otherwise finish by machinery