| Subject | English | Icelandic |
| bot. | Alpine mouse-ear | músareyra (Cerastium alpinum L.; Cerastium alpinum L. var. glabrum Retz.; Cerastium glabratum Hartm. (ssp. glabratum); Cerastium alpinum L. var. lanatum (Lam.) Hegetschw.; Cerastium lanatum Lam. (ssp. lanatum)) |
| bot. | Arctic mouse-ear | fjallafræhyrna (Cerastium arcticum Lange; Cerastium arcticum Lange ssp. hyperboreum (Tolm.) Böcher; Cerastium edmondstonii auct.; Cerastium hyperboreum Tolm.; Cerastium latifolium Hartm.; Cerastium nigrescens Edmondston ex H. C. Watson ssp. arcticum (Lange) P. S. Lusby) |
| bot. | common mouse-ear | vegarfi (ssp. fontanum, Cerastium fontanum Baumg.; Cerastium caespitosum Gilib. ssp. alpestre (Lindblom ex Fr.) Lindm.; Cerastium fontanum Baumg. ssp. scandicum Gartner (ssp. fontanum); Cerastium caespitosum Gilib.; Cerastium fontanum Baumg. ssp. triviale (Link) Jalas; Cerastium holosteoides Fr.; Cerastium vulgare Hartm.; Cerastium vulgatum L. (ssp. vulgare); Cerastium holosteoides Fr. var. vulgare (Hartm.) Hyl. (ssp. vulgare var. vulgare); Cerastium holosteoides Fr.; Cerastium holosteoides Fr. var. glabrescens (G. Mey.) Hyl. (ssp. vulgare var. holosteoides); Cerastium holosteoides Fr. var. kajanense (Kotil. & Salmi) Hyl. (ssp. vulgare var. kajanense)) |
| comp., MS | left mouse button | vinstri músarhnappur (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | mouse button | músarhnappur (A movable piece on a device that is pressed to activate some function) |
| comp., MS | mouse click | músarsmellur (The action of pressing and releasing one of the mouse buttons) |
| comp., MS | mouse pointer | músarbendill (An on-screen element whose location changes as the user moves the mouse. Depending on the location of the mouse pointer and the operation of the program with which it is working, the area of the screen where the mouse pointer appears serves as the target for an action when the user presses one of the mouse buttons) |
| comp., MS | mouse shortcut | flýtileið músar (A predefined command for a single mouse click or a double mouse click, with or without a modifier key, that can be used to perform a task) |
| comp., MS | primary mouse button | aðalmúsarhnappur (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | right mouse button | hægri músarhnappur (The button on your pointing device that you use to display shortcut menus or other program-specific features) |
| bot. | starwort mouse-ear | lækjafræhyrna (Cerastium cerastoides (L.) Britton; Cerastium lapponicum Crantz; Cerastium trigynum Vill.) |
| bot. | sticky mouse-ear | hnoðafræhyrna (Cerastium glomeratum Thuill.; Cerastium viscosum auct.) |