Mountaintop is a compound word.
mountaintop
mountainsidemountaintop
Bleak peak is a hink-pink or rhyming word pair answer to the riddle "dreary mountaintop."
peak
All these words are compound words and start with m: machinegun, madman, mailbox, mailman, mailroom, mainland, makeover, makeup, masterpiece, matchbook, meathead, millstone, moonlight, motherland, motorcycle, mountaintop and mouthpiece.
the top of the mountain
Cima is an Italian equivalent of the English word "mountaintop." The feminine singular noun also may be found replaced by the synonymous sommità and vetta for "mountaintop," "peak" or "summit." The respective pronunciations will be "TCHEE-ma," "SOM-mee-TA" and "VET-ta" in Pisan Italian.
No It's not a compound word
The contraction (not a compound word) is doesn't.
Upwards is a compound word.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
Upstairs is a compound word, so it is one word.