An Icelandic Primer
31. v is dropped before o and u: vaxa (to grow), prt. ōx, vinna (to win), unninn (won ptc.), svelta (to starve), soltinn (starved, hungry).
Final r is often assimilated to a preceding cons.
32. *-lr, *-nr, *-sr always become -ll, -nn, -ss after a long vowel or diphthong, as in stōll (chair nom.), acc. stōl, steinn (stone nom.), acc. stein, vīss (wise masc. nom. sg.), vīs fem. nom. sg., and in unacc. syllables, as in the masc. sg. nominatives mikill (great), fem. mikil, borinn (carried), fem. borin, ȳmiss (various) fem. ȳmis.
33. Words in which l, n,