Letters that make octad
a, o, d, c, t are letters that make 'octad'
octads is a word created by adding a letter to 'octad'
1 possible definitions for 'octad'
Under this definition, octad is a noun and has the following properties:
eighter from Decatur, octet, eight, VIII, eighter, ogdoad, octonary, 8 have the same meaning as 'octad'