one syllable
A one syllable word has only one syllable. A ten syllable word has ten. There are no one syllable words with ten syllables.
That's not a thing. But a ten-syllable word might be considered decasyllabic.
It has 2 syllables. Got-ten.
Ten
The accent in the word "tender" is on the first syllable, "ten." This means that this syllable is emphasized when pronouncing the word.
Attention has three syllables. The syllables are at-ten-tion.
The word "attention" can be syllabicated as at-ten-tion. It has three syllables, with the first syllable "at," the second syllable "ten," and the third syllable "tion."
The accented syllable in the word "pretend" is the second syllable, pronounced "ten."
Attentive has 3 syllables. The syllable breaks are: At-ten-tive.
mit-ten
There is one syllable for the word what.
Ten-nes-see