| Subject | English | Estonian |
| comp., MS | hierarchical address book | hierarhiline aadressiraamat, HAB (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 | hierarhiline sünni ja surma protsess |
| math. | hierarchical birth and death process | hierarhiline tekke ja kao protsess |
| math. | hierarchical classification | hierarhiline klassifikatsioon |
| math. | hierarchical cluster analysis | hierarhiline klasterdusmeetod |
| math. | hierarchical group divisible design | hierarhiline rühmituv plaan |
| comp., MS | hierarchical namespace | hierarhiline nimeruum (A namespace, such as the DNS namespace or Active Directory namespace, that is hierarchically structured and provides rules that allow the namespace to be partitioned) |
| IT | hierarchical system | hierarhiline süsteem |