飲む

to drink; to swallow; to take (medicine)

呑む refers to swallowing whole or gulping down

to smoke (tobacco)

to swallow up; to engulf

usu. in the passive

to suppress (one's anger, bitter feelings, etc.); to keep down; to hold back; to swallow (one's tears); to catch (one's breath)

to accept (a demand, conditions, etc.); to agree to

to make light of (someone); to think nothing of; to overwhelm; to overawe

to carry (a concealed dagger, etc.); to conceal (up one's sleeve, etc.)