grot·to 
(grŏtō)
(grŏtō)n. pl. grot·toes or grot·tos
1. A small cave or cavern.
2. An artificial structure or excavation made to resemble a cave or cavern.
[Alteration of Italian grotta, from Vulgar Latin *grupta, from Latin crypta, vault; see CRYPT.]
- invertible
- invert sugar
- invest
- investable
- investible
- investigable
- investigate
- investigation
- investigational
- investigative
- investigator
- investigatorial
- investigatory
- investiture
- investment
- investment bank
- investor
- inveteracy
- inveterate
- inveterately
- inveterateness
- inviability
- inviable
- invidious
- invidiously