Synonyms of the word 
MOTHPROOF → IMPERVIABLE - IMPERVIOUS - PROTECT
mothproof
- adj. Resistant to being eaten by moths.
- v. To apply odoriferous materials intended to repel moths from clothing.
imperviable
- adj. impervious.
impervious
- adj. Unaffected or unable to be affected by.
- adj. Preventive of any penetration; impenetrable, impermeable, particularly of water.
- adj. Immune to damage or effect.
protect
- v. To keep safe; to defend; to guard; to prevent harm coming to.
If you are interested in words, visit the following sites :
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- 1word.ws/mothproof to play with words, suffixs, prefixs, etc.