The best replacement for confess is stress.

The best alternatives to confess are rated as following:
★★★★★  stress
★★  not to confess
★★  profess
★  admit
★  not confess
  repent

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Speaking about confess, one probably shouldn't forget about our mouths.

Other search terms related to confess and their ratings are:
★★★★★ our mouths
You have in mind a companion for confess and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of confess in all years. Click on graph for more.
confess
stress
not to confess