| Subject | English | Icelandic |
| math. | kernel smoothing in regression | kernel refur í aðhvarfsgreiningu |
| math. | multiple smoothing method | margar refur aðferð |
| bot. | smooth brome | túnfaxgresi (Bromus racemosus L.) |
| bot. | smooth meadow-gras | vallarsveifgras (Poa pratensis L.; Poa angustifolia L. (ssp. angustifolia); Poa alpigena (Fr.) Lindm.; Poa alpigena (Fr.) Lindm. var. colpodea (Th. Fr.) Schol.; Poa alpigena (Fr.) Lindm. ssp. colpodea (Th. Fr.) Tzvelev; Poa rigens Hartm. (ssp. alpigena); Poa humilis Ehrh. ex Hoffm.; Poa irrigata Lindm. (ssp. irrigata); Poa pratensis L. ssp. uberrima Lindm. (ssp. pratensis); Poa subcaerulea Sm.; Poa pratensis L. ssp. irrigata (Lindm.) H. Lindb. var. nobilis Lindm. (ssp. subcaerulea)) |
| math. | smooth regression analysis | slétt aðfallsgreiningu |
| math. | smooth test | slétt próf |