Crib and Sofa bed

Crib noun - Baby bed with high sides made of slats.

Sofa bed and crib are semantically related. In some cases you can use "Sofa bed" instead a noun "Crib".

Sofa bed noun - A sofa that can be converted into a bed.

Crib and sofa bed are semantically related. Sometimes you can use "Crib" instead a noun phrase "Sofa bed".