I1S1O1G2R1A1P3H4S1
15 points
ISOGRAPHS is validvalid
ISOGRAPH, a line on a map indicating areas that are linguistically similar [n]
ISOGRAPH, a map line indicating similar linguistical areas [n]
ISOGRAPH, a line on a map indicating areas that are linguistically similar [n]
ISOGRAPH, a map line indicating similar linguistical areas [n]