Infrequently adverb – Not often. Unusually and infrequently are semantically related in seldom topic. In some cases you can use "Unusually" instead an adverb "Infrequently". Nearby Word: infrequent
Unusually adverb – To a remarkable degree or extent. Infrequently and unusually are semantically related in rarely topic. You can use "Infrequently" instead an adverb "Unusually". Nearby Word: unusual