There are 3 syllables in convenient:
One.
There are 3 syllables in overdo. O-ver-do.
are-area
Adv.
get a leg up on
There are two syllables in the word "expect" (ex-pect).
1
2.
One.
3.
There are two syllables. In-to.
2
2
Three
3
it can't be syllabicate..
The word "our" has one syllable.