You searched for: “regress”
digress, regress
digress (digh GRES, di GRES) (verb)
To side track or to divert attention from the topic at hand: Meghan's conversation often seemed to digress from the interests of her visitors.
regress (ri GRES) (verb)
To move backward, either physically or in one’s thinking: When Logan was ill and in hospital, his mind seemed to regress, often talking about his childhood.

Forgive Ken if he seems to digress from our conversation, but he is concerned that his aunt's health will regress while she is hospitalized.

This entry is located in the following units: Confusing Words Clarified: Group D; Homonyms, Homophones, Homographs, Synonyms, Polysemes, etc. + (page 5) grad-, -grade, -gred, -gree, -gress (page 3)
regress
This entry is located in the following units: grad-, -grade, -gred, -gree, -gress (page 6) re-, red- (page 4)