No. May not isn't a compound word.
The smallest compound word may be into.
The word may be sunrise or daybreak.
No. Restart is not. You may think this but 'Re' is not a word it's a prefix
No, building is not a compound word.
no because tall may be a word but est isn't est is a suffix
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.
Mango is not a compound word.
It cannot be a compound word.
The compound word with "shield" in it is "shieldmaiden."