The first.
The stressed syllable in "boundary" is the first syllable, pronounced "BOUND-ary."
The stressed syllable in the word "boundary" is "bound."
first syllable
The word balance is a unstressed first syllable.
It is a two syllable word. The first syllable is Bett- and the second is -er.
'Accept' is neither a 'first' nor a 'second' syllable word. It is a two syllable word.
"Dolphin" is a first-syllable word. The primary stress is on the first syllable in English pronunciation.
The accented syllable in the word "alert" is the first syllable.
first
Deliver is stressed on the second syllable.
The word "alert" has the stress on the first syllable, making it a first accented syllable word.
The first.