| Subject | English | Icelandic |
| comp., MS | hierarchical address book | tengiliðaskrá í skipuriti (A feature of Outlook that allows members of an organization to be displayed in a tree view control, grouped by department) |
| comp., MS | hierarchical address book | stigveldisskipt tengiliðaskrá (A feature of Outlook that allows members of an organization to be displayed in a tree view control, grouped by department) |
| math. | hierarchical birth and death process | innbyrðis fæðingu og dauða ferli |
| math. | hierarchical classification | hreiður flokkun |
| math. | hierarchical classification | innbyrðis flokkun |
| math. | hierarchical cluster analysis | innbyrðis þyrping greining |
| math. | hierarchical group divisible design | innbyrðis hópi deilanleg hönnun |
| comp., MS | hierarchical menu | stigveldisvalmynd (A type of drop-down menu that appears when a user points to a command on a higher-level menu) |
| math. | hierarchical model | innbyrðis fyrirmynd |