ir

1. to go (to move to a destination)
2. will; to be going to; forms the future tense
3. to keep on; to go on; ~ on; forms the continuative aspect
4. to go; to leave; to depart
5. to attend; to go to (to be present in an event)
6. to go on until; to last to
7. to do; to fare (to have a good or bad result)
8. to be doing (formula used in greetings)
9. to be gone (depleted, destroyed; no longer usable)
10. to leave (to die); to depart (to die)
11. to go (to begin an action or process)
12. to match; to go with (to form a good combination with)
13. to like or tolerate someone or something
14. to follow (to take into account when making choices)
15. to range from (to encompass values between two given extremes)
16. to call (to match the amount of chips in the pot)
17. to depart; to leave
18. to pass away; to depart; to die

ser

• Verb

  1. to be (to have the given quality), especially a quality that is intrinsic or not expected to change, contrasting with estar which denotes a temporary quality
  2. to be (to be an example or type of, or the same as)
  3. to be (forms the passive voice)
  4. to be (indicates a point in time)
  5. to be in (to be located in)
  6. to be from (to have as one’s place of origin)
  7. to be (someone’s); to belong to
  8. to be for; to be to (to have as its purpose)
  9. to be supposed to; should (introduces an expected or demanded action)
  10. to be; to cost (to be worth a given amount of money)
  11. to happen; to take place; to occur
  12. to be against or in favour of
  13. to exist; to be
  14. used for emphasis

• Noun