Denshi Jisho — Online Japanese dictionary

空 から emptiness; vacuum; blank
Common word, Noun, No-adjective 
空 そら sky; the heavens
Common word, Noun 
空 うろ hollow; cavity; hole
Noun 
空 くう 1: empty air; sky;
2:
3: (Buddhist term) shunya (emptiness, the lack of an immutable intrinsic nature within any phemomenon);
4: (Abbreviation) air force; () fruitlessness; meaninglessness;
5: void (one of the five elements)
Noun 
空き あき 1: space; room; emptiness; gap;
2: opening; vacancy; empty seat;
3: free time; time to spare;
4: disuse; unused thing
Common word, Noun 
空く あく 1: to open (e.g. doors);
2: to open (e.g. business, etc.);
3: to be empty;
4: to be vacant; to be available; to be free;
5: to be open (e.g. neckline, etc.);
6: to have been opened (of one's eyes, mouth, etc.);
7: to come to an end;
8: () to open (one's eyes, mouth, etc.);
9: () to have a hole; to form a gap; to have an interval (between events)
Common word, Godan verb with ku ending, Intransitive verb 
空く すく 1: to become less crowded; to thin out; to get empty;
2: to be hungry
Common word, Godan verb with ku ending, Intransitive verb 
好く すく to like; to love; to be fond of
Godan verb with ku ending, Transitive verb 
抄く すく to make something (i.e. paper) from wet, pulpy material by spreading it thin and drying it
Godan verb with ku ending 
梳く すく to comb (out); to card
Godan verb with ku ending, Transitive verb 
漉く すく to make something (i.e. paper) from wet, pulpy material by spreading it thin and drying it
Godan verb with ku ending 
透く すく to be transparent; to leave a gap
Godan verb with ku ending, Intransitive verb 
鋤く すく to plough; to plow; to hoe; to till
Godan verb with ku ending, Transitive verb 
すくみ deadlock
Noun, Computer terminology 
空地 あきち vacant land
Common word, Noun 
空手 からて 1: karate;
2: empty handed
Common word, Noun 
空気 くうき air; atmosphere
Common word, Noun 
空疎 くうそ vain; groundless; futile
Common word, Na-adjective, Noun 
空母 くうぼ aircraft carrier
Common word, Noun, Abbreviation 
空輸 くうゆ air transport
Common word, Noun, Suru verb, No-adjective 
空路 くうろ air lane
Common word, Adverbial noun, Temporal noun 
救い すくい help; aid; relief; (religious) salvation; (Christian) grace; providence
Common word, Noun, No-adjective 
掬う すくう to scoop; to ladle out
Common word, Godan verb with u ending, Transitive verb 
救う すくう to rescue from; to help out of; to save
Common word, Godan verb with u ending, Transitive verb 
空巣 あきす 1: prowler; sneak thief; cat burglar;
2: empty nest
Noun 
空間 あきま vacancy; room for rent or lease
Irregular okurigana usage, Noun, No-adjective 

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