rhythm A2

/ˈɹɪð.m̩/ the arrangement of spoken words alternating stressed and unstressed elements

stream B1

/stɹiːm/ a steady flow of a fluid (usually from natural causes)

rhyme B2

/ˈraɪm/ be similar in sound, especially with respect to the last syllable

diarrhea B2

/ˌdaɪɝˈiːə/ frequent and watery bowel movements

maelstrom C2

/ˈmeɪlˌstɹɔm/ A large and violent whirlpool.