Okay this reply will tackle multiple words (nouns, adjectives and verbs). Consider this as Bonus Words of the Day./
行く meaning to go (Read as "iku"-verb); however, there are also two words (nouns) that make use of the "Going radical"(行). These words are 行い（read as "okonai") meaning conduct, behavior or deed. The other word is 行 which means line(s) (of text etc), row, verse etc Read as "gyou"). There is a suffix ("行き") which is attached to the end of a location noun. This suffix means "bound for"
オーストラリア行き (Oosutararia yuki)
Australia bound/ bound for Australia