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The word "timid" has a short vowel sound. The "i" in "timid" is pronounced as a short vowel, making it sound like "ti-mid."

The vowel sound in "nose" is the open-mid back unrounded vowel, represented by the symbol /o/. It is a rounded vowel produced with the tongue placed in the back of the mouth.

The I has a short I vowel sound. The E syllable has an L sound (mid-uhl).

The schwa vowel sound in "iron" is pronounced as /ə/. It is a mid-central vowel sound that is pronounced with a relaxed mouth position and is the most common vowel sound in English.