posso

first-person singular present indicative of poder

pagar

1. to pay
2. to pay
3. to pay
4. (informal) to pay
5. (Brazil) to do (exercises, physical activities), especially as punishment
6. (Brazil) to pretend to be, to feign an attribute or style
7. (colloquial) to accidentally expose one's intimate body part or undergarment

com

1. with; against
2. with; alongside; together with (in the company of)
3. with (as a part or accessory of)
4. with (in support of)
5. with; using (by means of)
6. with (as a consequence of)
7. with; having

cartão de crédito

credit card (plastic card, with a magnetic strip)

cartão

1. card (flat, normally rectangular piece of stiff paper or plastic)
2. cardboard (stiff or heavy paper)

crédito

credit

de

1. of (in relation to)
2. of (in relation to)
3. of (in relation to)
4. of (in relation to)
5. of (in relation to)
6. of (in relation to)
7. of (in relation to)
8. of (in relation to)
9. of (in relation to)
10. of; -en (made or consisting of)
11. of; -en (made or consisting of)
12. of; -en (made or consisting of)
13. of; -en (made or consisting of)
14. of (introduces the noun that applies a given adjective or past participle)
15. from (born in or coming out of)
16. by means of; by
17. as (in the role of)
18. in (wearing)