cipher
- núll
- ómerkingur (a mere cipher)
- tala, tölustafur
- leyniletur
- fangamark
- reikna (cipher out)
- rita með leyniletri
Samheiti: aught, calculate, code, compute, cryptograph, cypher, encipher, encrypt, figure, goose egg, inscribe, nada, naught, nil, nix, nobody, nonentity, nothing, nought, null, reckon, secret code, work out, write in code, zero, zilch, zip, zippo