The word is pronounced TRAV-el, not tra-VEL. The unstressed syllable is the second one.
vel
In the word "silver," the unstressed syllable is "ver." The emphasis is on the first syllable, "sil-" while the second syllable "ver" is unstressed.
The unstressed syllable is "im".
/avel/
The second syllable is unstressed.
its the "i" that's unstressed
The unstressed syllable in "merchandise" is "chan."
The unstressed syllable in the word "button" is the first syllable - "but."
The syllable structure is pan-ic. The unstressed syllable is the second syllable, or "ic"
The unstressed syllable in "despair" is the second syllable, "pair." The emphasis is on the first syllable, "de."
The unstressed syllable in "achieve" is the first syllable, "a-". It is pronounced quickly and with less emphasis compared to the stressed syllable "-chieve".