Infrequent, Irregular
This page is the CodyCross answer for the clue below from Canada, Group 1274, Puzzle 5 (Okanagan Valley).
Question is: Infrequent, Irregular
and the answer is: SPORADIC
Word Meaning:
SPORADIC — (archaic) (of diseases) occurring in isolated instances; not epidemic.
Definitions from Wiktionary.