Answer: pentads

AnswerCrossword Clue
PENTADSHalf-decades
PENTADSGroups of five
PENTADSThe human senses, et al.
PENTADSFive-year periods
PENTADSGroups of five.
PENTADSFive-year periods.
PENTADSStalin's economic plans, e.g.
PENTADSFivesomes
PENTADSQuintets
pentadsperiod of five consecutive days
pentadspentavalent element or group
pentadsgroup of five
pentadsperiod of five years
pentadsthe number five
pentadsPENTAD, a group of five