S1I1N1G2U1L1A1R1I1S1E1
12 points
SINGULARISE is validvalid
to singularize [v SINGULARISED, SINGULARISES, SINGULARISING]
to make singular, also SINGULARIZE [v SINGULARISED, SINGULARISING, SINGULARISES]
to singularize [v SINGULARISED, SINGULARISES, SINGULARISING]
to make singular, also SINGULARIZE [v SINGULARISED, SINGULARISING, SINGULARISES]