Decad(n.) A decade.
Decadal(a.) Pertaining to ten; consisting of tens.
Decade(n.) A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy.
Decadence(n.) Alt. of Decadency
Decadency(n.) A falling away; decay; deterioration; declension. \"The old castle, where the family lived in their decadence.\"
Decadent(a.) Decaying; deteriorating.
Words within decadal