abandonar - to abandon, leave behind, desert; to quit, give up
abordar - to board, get on [plane, bus, etc.]; to approach, accost [a person]
abortar - to abort, cause to miscarry; to have a miscarriage
abrazar - to hug, embrace
aburrir - to bore; to tire, weary
aburrirse - to get bored, become bored, be bored
abusar - to go too far, take advantage
acabar - to finish, end
acampar - to camp, encamp, go camping