空く

also 開く · 明く

1. godan verb, intransitive, esp. 開く to open (e.g. doors)
2. esp. 開く to open (e.g. business, etc.)
3. esp. 空く to be empty
4. esp. 空く to be vacant; to be available; to be free
5. esp. 明く to be open (e.g. neckline, etc.)
6. esp. 明く to have been opened (of one's eyes, mouth, etc.)
7. esp. 明く to come to an end
8. godan verb, transitive, esp. 明く to open (one's eyes, mouth, etc.)
9. godan verb, intransitive to have a hole; to form a gap; to have an interval (between events)

すく

1. godan verb, intransitive to become less crowded; to thin out; to get empty
2. to be hungry