Language, for life.

Ichidan/ru-verbtrans.

1. to eat
2. to live on (e.g. a salary); to live off; to subsist on

-ru Godan/u-verbintrans.

1. to run
2. to run (of a vehicle); to drive; to travel; to move; to sail
3. to rush (to); to dash; to race
4. to retreat; to flee; to defect (to)
5. to run away; to abscond; to elope (occ. 奔る)
6. to flash (of lightning); to streak; to shoot (through; e.g. of pain); to run (through); to flare; to flit (e.g. across one's face); to spread quickly (of news, shock, etc.)
7. to go (e.g. bad, to extremes); to become; to turn; to take to (e.g. crime); to get carried away by (e.g. one's emotions); to get involved in; to get wrapped up in (as 〜に走る; occ. 趨る)
8. to run (through; of a road, street, etc.); to extend (e.g. of a mountain range); to stretch; to lie

-ru Godan/u-verbintrans.

1. to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best
2. to insist that; to stick to (one's opinion)
3. to remain in a place; to stick to one's post; to refuse to budge

-ru Godan/u-verbtrans.

1. to know; to be aware (of); to be conscious (of); to learn (of); to find out; to discover
2. to sense; to feel; to notice; to realize
3. to understand; to comprehend; to grasp; to appreciate
4. to remember; to be familiar with; to be acquainted with
5. to experience; to go through; to know (e.g. hardship)
6. to get acquainted with (a person); to get to know
7. to have to do with; to be concerned with; to be one's concern; to be one's responsibility (usu. with neg. sentence)