How many syllables does the word heart have?
Heart mainly has one syllable. If you find that it has two, then you're putting too much stress on its pronunciation.
How many syllables in the word weird?
Weird has only one syllable. It might sound like two, but it is only one.
How many syllables are in camouflage?
Decoupage.
oh my gosh, collage,
--12/23/10 Update:
RhymeZome.com works pretty well, and I'm sure there are plenty of other rhyming websites.
Espionage
Hodge podge
(arJ) (bon) voyage collage corsage decoupage dressage entourage fuselage lavage ménage montage persiflage photomontage plage potage repechage sondage triage
(arj) barge charge enlarge large litharge marge overlarge raj sarge swaraj taj targe as extracted from my Rhyme Guide
How many syllables are in the word biggest?
Biggest has two syllables, with the emphasis on the first. The syllable breakdown is big-gest.