3) Nouns that end in -el, -en, -er drop the unstressed -e- and contract.
| en sykkel | tre sykler | syklene | (bicycle) |
| en ankel | to ankler | anklene | (ankel) |
| ei/en søster | fire søstre | søstrene | (sister) |
| en onkel | seks onkler | onklene | (uncle) |
4) Nouns ending in -er that denote a person follow this pattern: -e in indefinite plural and -ne in definite plural
| en baker | to bakere | bakerne | (baker) |
| en lærer | to lærere | lærerne | (teacher) |
| en skomaker | to skomakere | skomakerne | (shoemaker) |
5) Many foreign loan words have special forms. Use a dictionary!
| et museum | museet | museer | museene |

