My marvelous mother makes macaroni and cheese
Maracas starts with m. a mandolin
MALIBU...
Mexico.
· muffin
mininova
millet
momentum starts with the letter "M" and has 8 letters, while force starts with the letter "F" and has 5 letters.
Machine?
The answer to the riddle is "Mailbox." It starts with the letter 'M,' ends with 'X,' and can contain an endless number of letters (as in mail) inside it.
Miss Me Jeans
minnow
Mussel