The word "self-confidence" is hyphenated.
Light-Headed is a hyphenated word.
No, "hardworking" is not hyphenated.
"Left-handed" is a hyphenated compound word.
Both the full word and the hyphenated form are accepted.
Yes it should be hyphenated.
No it shouldn't be hyphenated.
"Field" is not hyphenated.
No, "homework" shouldn't be hyphenated.
There shouldn't be any spaces in a hyphenated word.
It can be. Some words can be seen both hyphenated and non-hyphenated.
Yes it should be hyphenated.