| AIS | Auckland Institute of Studies (1,1,1) |
| CPA | Member of the Institute of Chartered Accountants of Australia (1,1,1)) |
| ART | ___ Institute of Chicago (home of over 30 Monet paintings) |
| APU | "The Simpsons" character who graduated first in his class of seven million at the Calcutta Institute of Technology |
| RDA | Institute of Medicine std. |
| IRR | Institute of Race Relations (3) |
| AIE | Aust Institute of Energy (abbr) (1,1,1) |
| MIT | Massachusetts Institute of Technology (abbr) (1,1,1) |
| IEE | Institute of Electrical Engineers (3) |
| NSI | Northern Sydney Institute (of TAFE) (1,1,1) |
| NIH | National Institute of Health |
| IRI | Institute of Arts and Ideas (3) |
| KIM | Kenya Institute of Management Abbr (3) |
| EDU | URL ending for the Culinary Institute of America |
| UNI | Institute of higher learning, to Brits |
| NEI | Vision dept. of U.S. Natl. Institutes of Health |
| NCI | Agency of the National Institutes of Health, initially |
| IOG | The Institute of Groundsmanship, for sports turf and greens keepers (1,1,1) |
| SYLLABUS | An outline of a course of studies (8) |
| HUMANITIES | One of us is taking on relationship type of studies (10) |
