turtle vs tump over

turtle is a noun but tump over is not a noun.

Word	Noun	Adjective	Verb	Adverb
turtle	Yes	No	Yes	No
tump over	No	No	Yes	No

As verbs, tump over is a hypernym of turtle; that is, tump over is a word with a broader meaning than turtle:

Other hypernyms of turtle include overturn, tip over, turn over.

turtle (noun)	tump over (noun)
any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
a sweater or jersey with a high close-fitting collar

turtle (verb)	tump over (verb)
hunt for turtles, especially as an occupation	cause to overturn from an upright or normal position
overturn accidentally	turn from an upright or normal position