The term 'urges onward' can be expressed in two words: 'spurs' and 'propels'. The word 'spurs' is a verb meaning to urge or encourage someone to do something, while the word 'propels' is a verb meaning to push forward or drive something. Both words are used to describe the action of urging someone or something to move forward. In this context, the term 'urges onward' implies that someone or something is being encouraged to continue on their journey or path.