かぎ

Above; on top of.

Absent; not present. Not in a particular place.

Affordable, reasonable (price).

Excuse me for going first; said when leaving before others.

Mediation, agency (e.g., real estate).

Ah!; an exclamation of sudden realization or surprise.

air conditioner

Air conditioning and heating system.

Well-ventilated; airy.

Suffix meaning "permitted" or "allowed".