cryp·tol·o·gy 
(krĭp-tŏlə-jē)
(krĭp-tŏlə-jē)n.
The study of cryptanalysis or cryptography.
cryp′to·logic (-tə-lŏjĭk), cryp′to·logi·cal (-ĭ-kəl) adj.
cryp·tolo·gist n.
- circumambulation
- circumboreal
- circumcise
- circumciser
- circumcision
- circumduction
- circumference
- circumferential
- circumfix
- circumflex
- circumfluent
- circumfluous
- circumfuse
- circumfusion
- circumjacent
- circumlocution
- circumlocutorily
- circumlocutory
- circumlunar
- circumnavigate
- circumnavigation
- circumnavigator
- circumpolar
- circumrotate
- circumrotation