Yes, the word kettle is stressed on the first syllable.
Footprint is stressed on the first syllable.
Captive is stressed on the first syllable.
The first syllable of kettle 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 word "kettle" is a first accented syllable word. The emphasis is placed on the first syllable ("ket-").
District is stressed on the first syllable.
The first syllable is stressed.
Accurate is stressed on the first syllable.
The stressed syllable in "injure" is the first syllable "in-".
Personal is stressed on the first syllable.
The first stressed syllable in "wilderness" is "wild."
The stressed syllable in "carrot" is the first syllable, "car."