1. going in and out, entering and exiting

intransitive verb noun or participle which takes the aux. verb suru noun (common) (futsuumeishi)

2. visiting regularly, frequenting, having regular dealings with

noun or participle which takes the aux. verb suru noun (common) (futsuumeishi) intransitive verb

3. income and expenditure, incomings and outgoings

noun (common) (futsuumeishi)

4. increase and decrease, surplus and deficit, fluctuation

noun (common) (futsuumeishi)

5. fight, trouble, quarrel, dispute

noun (common) (futsuumeishi)

6. indentations (e.g. of a coastline)

noun (common) (futsuumeishi)