The word filter is broken down into syllables as fil-ter (/ˈfɪltər/ in IPA). The first syllable of the word is fil- (or /ˈfɪl/).
The first syllable of the word abscess (ab) should be accented.
The accented syllable in company is the first syllable - ([CUM-pa-nee] - or /ˈkʌmpəni/ in IPA).
The pronunciation of the name Scrymser -- The first syllable, Scrym, is pronounced like the first syllable of scrimmage. In the second syllable, ser, the s has a bit of a z pronunciation to it. If you did not know it already, the name Scrymser is a sort of Americanized spelling of the Scottish name Scrymgeour. For the record, my name is Birdsall Scrymser Viault.
You say the word "is" then say the first syllable of chem(ical) then pronounce i as the letter e then say a as a short a.
Elide
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.
Footprint is stressed on the first syllable.
The stressed syllable in the word "morning" is the first syllable, which is "mor."
The first syllable is "A".