提案【ていあん】
proposal, proposition, suggestion
原案【げんあん】
original plan, original bill, original motion, draft
懸案【けんあん】
pending question, unresolved problem
案内【あんない】
guidance, leading (the way), showing around, information, notice, notification, announcement (of one's arrival), invitation, acquaintance, knowledge
案件【あんけん】
matter (to discuss), item (on the agenda), issue, topic, case, (court) case
案外【あんがい】
unexpectedly, surprisingly, unexpected, unanticipated, unforeseen, surprising
案の定【あんのじょう】
just as one thought, as usual, sure enough
思案【しあん】
careful thought, consideration, deliberation, reflection, rumination, pondering
考案【こうあん】
plan, device, idea, design, contrivance, conception, invention