Words and phrases that rhyme with cathode-ray tube:  (80 results)
4 letters:
boob, cube, dube, hube, koob, kube, lube, rube, rueb, zube
12 letters:
shear-jashub
14 letters:
superhypercube
Words and phrases that almost rhyme :  (32 results)
4 letters:
coop, dupe, hoop, koop, loop, poop, soup
6 letters:
croupe, recoup, troupe
7 letters:
aggroup, hencoop, regroup
9 letters:
hula-hoop
10 letters:
guadeloupe
11 letters:
cock-a-hoop
12 letters:
trou-de-loup
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