Similar to insperate
- insperatus – unanticipated, unexpected, unlooked for
- instituo – begin, found, institute, put in place, to establish
- instar – a form, after the fashion of, figure, like
- instigator – abetter
- instabilitas – constant motion, restlessness
- institutio – custom, institution, tradition
- instructus – equipped, supplied, taught, trained, versed in