There are 3 syllables. I-love-you.
"Loveliest" has three syllables.
There are three syllables in the word "loveliest."
There are three syllables. Love-li-est.
1
Three - love-li-ness
One
The word love has one syllable.
There are five syllables. Each word has one syllable.
The poem "The Passionate Shepherd to His Love" by Christopher Marlowe has varying syllables in each line. The lines have between 2 to 8 syllables.
The word "hearts" has one syllable.
one