Crybaby or cry baby?

English as a Second Language English Teacher Explanations (ESL Tests)
1

Test No. [color=blue]incompl/inter-43 “A Crying Shame”, question 3

As a child she would burst into tears at every problem and so she soon got known as a regular … at school.

(a) crychild
(b) cryinfant
(c) crybaby
(d) crygirl

Test No. [color=blue]incompl/inter-43 “A Crying Shame”, answer 3

As a child she would burst into tears at every problem and so she soon got known as a regular crybaby at school.

Correct answer: (c) crybaby
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Shouldn’t be ‘cry-baby’ ?

Regards:)

2

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Most dictionaries list it as one word. Try this site: [url]Definitions of crybaby - OneLook Dictionary Search
.

3

I got confused because the dictionary I use (Cambrigde dictionary.cambridge.org/define. … &dict=CALD ) pointed it as a spelling mistakes.
Now it is clear for me that both forms may be used.

Many thanks for answer.
Regards:)