No, the term "left side" is not hyphenated when used as a noun. However, if used as a compound adjective before a noun, it can be hyphenated as in "left-side view." Always consider the context in which it is used to determine if hyphenation is appropriate.
Left-handed is a hyphenated compound.
The word desperate hyphenated
Light-Headed is a hyphenated word.
The word "self-confidence" is hyphenated.
No, "hardworking" is not hyphenated.
Both the full word and the hyphenated form are accepted.
"Field" is not hyphenated.
Yes it should be hyphenated.
No it shouldn't be 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.