A fairly uncommon form of reduplication in words and phrases has an initial unrhymed portion followed by a rhyming pair, of the form ABB.
One syllable repeated:
ajaja (the roseate spoonbill)
aholehole
brouhaha (a disturbance; a fight)
cantata (a kind of musical composition)
Chihuahua (a state in Mexico; a breed of dog)
Kinshasha (capital of the Democratic Republic of the Congo)
pahoehoe (lava that has hardened into ropey forms)
rococo
Waikiki
One syllable rhymed:
ace boon coon (a good friend)
apropos
away day (an off-site meeting; a game held away from a team's home)
awry-eyed (drunk)
bad luck Chuck (an unlucky person)
[the] Bahamas
bandana (a neck or head cloth)
bayou blue (cheap or bootleg whiskey)
Blue Jay Way (a street in Los Angeles's "Bird Streets" neighborhood,
popular with actors, and made famous by a Beatles song of
that name)
conundrum ([approximate rhyme] a puzzle or problem)
the divine nine (a nickname for the nine African
American fraternities and sororities)
five jump chump (someone who has made the required number
of jumps to pass parachute training in the Army)
genome tome (a reference to the compilation of the content
of the human genome)
lambada (a dance)
motel hell (a job, place or relationship that is unbearable)
one-stop shop (a place where all that is necessary may
be obtained)
resentment
right hand man (one's closest associate)
severe clear (a pilot's term for seeming infinite visibility)
shoo-fly pie (a Pennsylvania Dutch dessert)
Surreal Neil (the nickname of the lead singer in Super Diamond,
a Neil Diamond tribute band)
surround sound (a very realistic sound system)
Tahiti
Teflon Don (John Gotti's nickname, when no charge would
stick to him)
three pump chump (a man who has almost no sexual stamina)
two buck Chuck (the nickname for Charles Shaw wine,
which sells for $1.99 a bottle)
two pump chump (a man who has no sexual stamina)
the Utah Claw (a hairstyle involving upswept bangs)
Two syllables repeated:
opaka-paka (a snapper fish)
Two syllables rhymed:
Aracataca (a town in Colombia, home to Gabriel Garcia Marquez)
Bahama mama
baloney pony (the penis)
spaghetti Eddy (a nickname for Eddy)
Almost satisfactory:
"Astronomy Domine" (the name of a song on a Pink Floyd album)
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