O1R1D2I1N1A1L1S1
9 points
ORDINALS is validvalid
ORDINAL, a number designating position in a series [n]
ORDINAL, a book containing religious rites, esp. for ordination [n]
ORDINAL, a number designating position in a series [n]
ORDINAL, a book containing religious rites, esp. for ordination [n]