one
The word "loved" has one syllable.
Just one.
Memory is not one or two syllables; it is three syllables.
Two syllables
"Squirrels" has two syllables. It is frequently pronounced with one, but it has two.
How many syllables is your name?
There are two syllables in 'brother'. Bro-ther.
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)
The word "stunning" has two syllables.
One Who Is Loved By Two was created in 1915.
The word "crossing" has two syllables.
Hurtful has two syllables.