o·o·the·ca 
(ō′ə-thēkə)
(ō′ə-thēkə)n. pl. o·o·the·cae (-sē)
The usually hardened egg case of certain invertebrates, such as a cockroach.
o′o·thecal adj.
- French bulldog
- French Cameroons
- French Canadian
- French-Canadian
- French chalk
- French chop
- French Congo
- French Congo.
- French cuff
- French curve
- French door
- French dressing
- French Equatorial Africa
- french fry
- french-fry
- French Guiana
- French harp
- French heel
- French horn
- Frenchification
- Frenchify
- French-inhale
- French kiss
- French-kiss
- French knot