s4e no
A metaphor for the word stength is tower of strength.
yes
Metaphor is a noun.
He used a metaphor to desciribe the swaying trees.
a backpack is called 'un sac à dos' in French.
Yes, the word "backpack" has a short 'a' sound, as in 'bat'.
Mochila.
yes
No, the word backpack is not an adverb at all.The word backpack is a noun ("pass me my backpack please") and a verb ("we will backpack across the valley").
Metaphor has three syllables.
The word you get when unscrambling "aakckpbc" is backpack.