yes it is!
The word 'KEPT' has only one syllable.
according to my ever handy Merriam-Webster ...There is only one syllable in KEPT ('kept)
The word "coy" has one syllable.
Yes the word skull is a one syllable word.
The word bruised only has one syllable. This means the whole word is the syllable and so there are no syllable breaks.
Crumb is a one syllable word.
one syllable
one syllable
one syllable
one syllable
no word it isn't possible because if you take away one syllable from a five syllable word you get a four syllable word and there is no such thing as a "no syllable word"
Yes. It is a one syllable word.