No, "wholeheartedly" is one word.
There are no perfect rhymes for the word wholeheartedly.
I wholeheartedly admired Claudia's thoroughness. The citizens wholeheartedly approved of the council's decision.
The word desperate hyphenated
Light-Headed is a hyphenated word.
The word "self-confidence" is hyphenated.
No, "hardworking" is not hyphenated.
Left-handed is a hyphenated compound.
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.