Synonyms for Nine (same or very similar meaning)
WordNet sense 1 (the cardinal number that is the sum of eight and one):
ennead, IX, niner, Nina from CarolinaWordNet sense 2 (a team of professional baseball players who play and travel together):
club, baseball club, ball clubWordNet sense 3 (being or denoting a numerical quantity but not order):
cardinalFrom the ODE community, based on WordNetadd/edit