As nouns the difference between poop and turnip
is that
poop is the stern of a ship or
poop can be (often|childish) excrement or
poop can be a set of data or general information, written or spoken, usually concerning machinery or a process or
poop can be a slothful person while
turnip is the white root of a yellow-flowered plant,
brassica rapa , grown as a vegetable and as fodder for cattle.
As a verb poop
is to break seawater with the
poop of a vessel, especially the poop deck or
poop can be (obsolete|intransitive) to make a short blast on a horn or
poop can be to tire, exhaust often used with
out .