eigi
“not/don’t/didn’t;”
the typical negative in Old Norse
ein·n
“one”
(or “a, an” in some continental texts)
ekki
“nothing;”
also “not, not at all, absolutely not;” a stronger negative than eigi
in·n
“the”
(definite article), with adjective-like inflection
lítil·l
“little”
mikil·l
“big, great”
ó-
“un-,” added to any adjective (e.g. ósátt·r, “unreconciled”) or even noun (e.g. óvinr, “un-friend” = “enemy”)