As verbs the difference between bive and bivy
is that bive is (obsolete) to shake; tremble while bivy is (informal) to camp in a bivouac.
As a noun bivy is
(informal) a bivouac sack.
bive
English
Verb
(biv)
(obsolete) To shake; tremble.
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==Volapük==
Noun
(head)
bivy
English
Noun
(bivies)
(informal) A bivouac sack
(informal) The location of a bivouac
Verb
(
en verb)
(informal) To camp in a bivouac