overturn vs turtle

overturn and turtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
overturn	Yes	No	Yes	No
turtle	Yes	No	Yes	No

As verbs, turtle is a hyponym of overturn; that is, turtle is a word with a more specific, narrower meaning than overturn:

Other hyponyms of overturn include capsize, turn turtle, upend.

overturn (noun)	turtle (noun)
the act of upsetting something	any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
an improbable and unexpected victory	a sweater or jersey with a high close-fitting collar

overturn (verb)	turtle (verb)
change radically	hunt for turtles, especially as an occupation
rule against	overturn accidentally
cancel officially
turn from an upright or normal position
cause to overturn from an upright or normal position
cause the downfall of; of rulers