How do you divide insertion into syllables?

Insertion divides as in-ser-tion.

Which syllable is stressed in insertion?

The second syllable (in-SER-tion).

Syllables in insertion

in·ser·tion

Insertion has three syllables. The stress falls on the second syllable.

Pronunciation	/ˌɪnˈsɝʃən/ 3 syllables, in-SER-tion · da-DUM-da
Stress	Second syllable
Letters	9

To count it yourself, say insertion slowly and listen for each vowel sound: in, ser, tion. Each beat is one syllable.

How many syllables are in insertion?: Insertion has three syllables.
How do you divide insertion into syllables?: Insertion divides as in-ser-tion.
Which syllable is stressed in insertion?: The second syllable (in-SER-tion).