"cid" - key terms from Wikipedia

army cid
cantar de mio cid
capricorn el cid
cid
cid agents
cid aluminum block and heads
cid card
cid engine
cid engines
cid h
cid iron block
cid officers
cid six
cid used
del cid
doctor cid
el cid
headmaster cid
lay of the cid
le cid
querelle du cid
regent cid