No, second.
Accurate is stressed on the first syllable.
The first syllable.
First
The first syllable.
first
Encounter is stressed on the second syllable.
No, second.
Present is stressed on the first syllable when used as a noun.Present is stressed on the second syllable when used as a verb.
The accented syllable in the word "fierceness" is the first syllable, "fierce."
The accented syllable in "wanders" is the first syllable, "wan."
Captive is stressed on the first syllable.
The first syllable is accented.
Flawless is accented on the first syllable.
The first syllable is accented.
It is not entirely clear whether you are asking which syllable is stressed or what the first syllable is. The stressed syllable is the first syllable: sev.
The stressed syllable in "necessary" is the first syllable "nec."
"Unfold" is accented on the first syllable. The stress is on the "un" syllable.