A syllable that is stressed in pronunciation is called an accented syllable. The accent often changes the meaning of words which otherwise would be pronounced or even spelled alike. The word object when accented on the first syllable is a noun; when accented on the second syllable it is a verb.
How do you know which syllable is accented?
An accented syllable will fully pronounce the vowel sound, while unaccented syllables have less emphasized vowels and possibly even the schwa sound. Schwa /ə/ is the sound an unaccented vowel can make that sounds like short u or “uh”.
Which syllable is stressed in accent?
The rule states that a word that ends in an n has the natural stress on the next to the last syllable, but these words are supposed to be stressed on the last syllable as opposed to the stress on the first syllable in English, so an accent mark is written on the last vowel, which is the o.