frozen / refrigeration

freeze / refrigerate

thawing / (computing) decompression of an archive

to thaw / (computing) to decompress an archive

needed, necessary

need, necessity

(obsolete) meat / (obsolete) flesh, as of one's body

flesh, meat

meat, the muscle and fat tissue of an animal used as food / the flesh of an animal / the flesh of a fruit or vegetable / one's body, as opposed to spirit / the thickness of a thing

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)