"End." the word has only one syllable.
Some words with the letter i at the end of a syllable are:librarydinosaurfamilyfinallyradio
An open syllable.
Celebration has an a at the end of a syllable: celebration.
Radio has an open syllable with 'a' at the end: Ra-di-o.Volcano has an open syllable with 'a' at the end: Vol-ca-no.Savior does not have an open syllable with 'a' at the end: Sav-ior.Nature has an open syllable with 'a' at the end: Na-ture.Unable has an open syllable with 'a' at the end: Un-a-ble.
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.
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 first syllable is accented.
The stressed syllable in "necessary" is the first syllable "nec."