Synonyms of the word 
DECAYED → ROTTED - ROTTEN - UNSOUND
decayed
- adj. Having undergone decay.
- v. simple past tense and past participle of decay.
rotted
- adj. Destroyed or damaged by rot.
- adj. (Newfoundland) Deeply annoyed or irritated.
- v. simple past tense and past participle of rot.
rotten
- adj. Of perishable items, overridden with bacteria and other infectious agents.
- adj. In a state of decay.
- adj. Cruel, mean or immoral.
- adj. Bad or terrible.
- adv. To an extreme degree.
unsound
- adj. Not sound, particularly.
If you are interested in words, visit the following sites :
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- 1word.ws/decayed to play with words, suffixs, prefixs, etc.