Synonyms of retrogress

2 Syllables
worsen, revert, regress, worsens, reoccur
3 Syllables
worsened, receding, worsening, regressed, reoccurring, reverting, recede, receded, regressing, regresses, reoccurred
4 Syllables
retrocede, retrograde
5 Syllables
deteriorate, degenerate, degenerating, deteriorating