certain
/ˈsɜːr.tən/
Syllables cer·tain
Stress CER-tain
Phonics Breakdown
cer
/sɜːr/
er sound
tain
/tən/
schwa
Meaning
sure, definite, without doubt
Sound Reference
💡
cer=/sɜːr/(sir) + tain=/tən/(mountain)
Example
I am certain that she will come.