Index of English words, starting with "in"

(1) - Infrequency (n.) The state of not being frequented; solitude; isolation; retirement; seclusion.
(2) - Infrequency (n.) The state of rarely occuring; uncommonness; rareness; as, the infrquence of his visits.

(1) - Infrequent (a.) Seldom happening or occurring; rare; uncommon; unusual.