It can be either depending on what meaning is intended.
No, the word "affect" is not accented on the second syllable. It is accented on the first syllable: "af-fect."
The accented syllable in "wanders" is the first syllable, "wan."
The accented syllable in "fountain" is the first syllable, "foun-".
The first syllable of kettle is accented.
Shoulder is accented on the first syllable.
second accented syllable
The first syllable is accented.
Gather is accented on the first syllable.
Certain . First accented syllable.
Yes, the word "hammer" is accented on the first syllable.
The accented syllable in the word "fierceness" is the first syllable, "fierce."
The first syllable is accented.