The unstressed vowel letter in "respiration" is the letter "i" in the second syllable "-spi-".
The unstressed vowel in "company" is the letter "o." It is pronounced as /ə/ in an unstressed position.
The unstressed vowel in the word "abandon" is the letter "a".
The unstressed vowel in the word "frightening" is the letter "i" in the second syllable "-ten-".
The unstressed vowel in "Listener" is the schwa sound, represented by the letter "e".
The unstressed vowel in "interrupt" is the second 'e' sound, represented by the letter 'e' in the word.
The unstressed vowel in "company" is the letter "o." It is pronounced as /ə/ in an unstressed position.
e
The 'a' and the second 'o' are both unstressed.
The unstressed vowel in the word "abandon" is the letter "a".
The unstressed vowel in the word "frightening" is the letter "i" in the second syllable "-ten-".
The unstressed vowel in "Listener" is the schwa sound, represented by the letter "e".
The unstressed vowel in "interrupt" is the second 'e' sound, represented by the letter 'e' in the word.
As an unstressed syllable, the letter 'r' (which does not have to be a vowel in the English language, just as unstressed syllable)
The unstressed vowel in "explanatory" is the schwa sound, which is represented by the letter "a" in this word. It is pronounced as /ə/.
"Wi" is the stressed syllable. "Den" and "ing" are unstressed. This is known as dactyl foot.
Only the first syllable of "actually" is stressed, so all the vowels in the following syllables are unstressed: the "u", the second "a", and the "y". - The second a is unstressed. An unstressed vowel is pronounced "uhh." There is a difference between an unstressed vowel and and unstressed syllable.
The unstressed vowel in the word "boundary" is the letter "o" which is pronounced as /ə/ (schwa sound).