Yes it is probley plausible. Go ask the Mythbuster. They are on discovery channel. At the time of the noon.
Armchair is an 8 letter word. The 7th letter is i.
How about hot chocolate.
Cocoa (not sweet)
Chocolate
An 8 letter word for gifts would be: presents
mariners is a 8 letter word for sailors
an 8 letter word for wealthy is ....... affluent
the 8 letter word for college student is ...... étudiant
There is no 8-letter word, but there are several 7-letter words:agnaticanticarcartingcratinggranitatracing
Fudge
"Innuendo" is an 8 letter word for subtle gossip.
Trespass is a 8 letter word, but to answer I would have to say overstep.