Words and phrases that almost rhyme with test tube:  (32 results)
(These are near rhymes. For exact rhymes, click the "Rhymes" link above.)
4 letters:
loop, coop, hoop, soup, poop, dupe, koop
6 letters:
troupe, recoup, croupe
7 letters:
regroup, aggroup, hencoop
9 letters:
hula-hoop
10 letters:
guadeloupe
11 letters:
cock-a-hoop
12 letters:
trou-de-loup
Table of complete results:

Commonly used words are shown in bold. Rare words are dimmed.
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