A one syllable word only has one syllable. For examples, consider the differences between these words for syllable counts:on (one syllable), versus onward (two syllables)up (one syllable), versus upward (two syllables)two one syllable), versus twofold (two syllables)to (one syllable), versus toward (two syllables)house (one syllable), versus household (two syllables)store (one syllable), versus storeroom (two syllables)mail (one syllable), versus mailbox (two syllables)
One syllable.
No, that is one syllable.
I believe it's one syllable
The only one.
No. The word 'their' has one syllable.
No, it is a two syllable word.
No, choice is one syllable.
The word "small" has one syllable.
Two.
No. Mouse has only one syllable.
No, the word hart has one syllable.