Word Lists
The prefix of circum means around; surrounding; on all sides: circumference. [from Latin circum around, from circus circle]
The prefix audi- alludes to the verb hear. Like any prefix, it is added to the beginning of a word to form a derived word. For example: audience, audition.
circum-
circumference
circumlunar
circumnavigate
circumspect
circumstances
circumstantial
audi-
audible
audience
audition
auditorium
auditory
audio-visual
audiometer