[nq:1]Is there a rule to predict whether an adjective takes the form -ical (as in political, hypothetical), rather than -ic (as in catalytic, systematic)? Paul Burke[/nq] No. There are pairs, like "politic"/"political", "historic"/"historical", where the meanings differ.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.