Answer: ruer

AnswerCrossword Clue
RUEROne feeling remorse
RUERWho's sorry now?
RUERCasino visitor, often
RUER"Shoulda, woulda, coulda" thinker
RUERRemorseful soul
ruerone who rues (to feel sorrow or remorse for)
RUERConfession participant, perhaps
RUERContrite fellow
RUERConfession participant, often
RUERRegretful fellow
RUERHe who regrets
RUERHe's so sorry
RUERAtoner
RUER"Shoulda, woulda, coulda" one
RUERVery regretful one
RUEROne who has regrets
RUERContrite type
RUEROne who's sorry
RUEROne kicking oneself
RUEROne who's sadder and maybe wiser
RUERSorry one.
RUERRemorseful one.
RUERRegretful one.
RUERThe sorry one.
RUERSorry individual.
RUERSorrowful one.
RUEROne who feels pity.
RUERRepentant. one.
RUERSorry chap.
RUERContrite one.
RUERWistful sort
RUERBemoaner
RUERDisappointed one
RUERSorry person
RUERSorry one
RUERSorry fellow
RUERMirror breaker, perhaps
RUEROne who repents
RUERHe feels remorse
RUERPenance seeker