募集【ぼしゅう】
recruitment, invitation, selection, advertisement, taking applications, raising (funds, donations, etc.), collection, subscription, solicitation, flotation (of shares, loans, etc.)
応募【おうぼ】
application, subscription, entry (competition, raffle, etc.), enlistment
募る【つのる】
to become stronger, to grow in intensity, to grow violent, to become worse, to invite contributions, etc., to solicit help, participation, etc., to recruit (e.g. soldiers)
募金【ぼきん】
fund-raising, collection of funds
公募【こうぼ】
public appeal (e.g. for contributions), public advertisement (of a post), open recruitment, public offering (of securities)
街頭募金【がいとうぼきん】
streetside fundraising
共同募金【きょうどうぼきん】
community chest
募債【ぼさい】
raising of a loan, loan floatation