Synonyms of the word 
UNLACE → UNBRACE - UNDO - UNTIE
unlace
- v. To remove the knot from laces; to undo laces.
unbrace
- v. (transitive) To undo, unfasten; to relax, loosen.
undo
- v. To reverse the effects of an action.
- v. To unfasten.
- v. (figuratively) to be heading for or to cause a downfall.
- n. (computing) An operation that reverses a previous action.
- adj. Misspelling of undue.
untie
- v. (transitive) To loosen, as something interlaced or knotted; to disengage the parts of.
- v. (transitive) To free from fastening or from restraint; to let loose; to unbind.
- v. To resolve; to unfold; to clear.
- v. (intransitive) To become untied or loosed.
If you are interested in words, visit the following sites :
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- 1word.ws/unlace to play with words, suffixs, prefixs, etc.