Does`NT.
If you mean "contraction", then it's "doesn't". The two words being put together are does and not, which makes it compound, or more than one. The abbreviation goes after the "n" and replaces the "o" in "not". Thus, the word "Doesn't". Ain't is similar. I'm not sure what the first word is, but the second word is "not" with the "o" replaced, again, with the abbreviation. Maybe the first word in "ain't" was "and", or maybe it's taken from another slang word.
Left-handed is a hyphenated compound.
The contraction (not a compound word) is doesn't.
No, "online" is a closed compound word, not a compound noun.
The compound word is "disjointedkeyboardappealinganother."
Semester is not a compound word.
It is a compound.
Water is a compound
Compound.
Compound
compound
The noun rowboat is a closed compound.
A compound angle.A compound angle.A compound angle.A compound angle.
Peach is a compound
Compound
If there's more than just silicon in the compound, it's a compound
No Its an ionic compound
This compound is the chromium phosphate.