Words

Arabic
bzw - to subdue, to overcome, to oppress (Lane 201)
Arabic
bzǯ - to make a small incision (Lane 199)
Arabic
buǯr- - swelling or inflation of the belly (Lane 153)
Arabic
dubb- - bear (Lane 841)
Arabic
dubbāˀ - gourd (Lane 850)
Arabic
dabl- - plague, pestilence (BK 1 668, Lane 849)
Related as a variant root with -l vs. -r. Cf. also dunbal­- ‘ampoule qui se forme aux mains, etc.’ and dibl-­ ‘malheur, coup du sort’.
Arabic
dbq - to stick (Lane 840)
Arabic
dabbara - to consider, forecast the results of the affair; to meditate upon; to relate the tradition received from another person (Lane 844)
hardly any direct connection to *dbr - ‘to speak’, all meanings look like internal Arabic developments from “to follow” (which is the basic meaning of dbr in Arb)
Arabic
dbr - IV. to go backward, to a bad state; to die (BK 1 664, Lane 845)
Probably related Arb. form with a shifted meaning.
Arabic
dubr-, dubur- - backside, posteriors, buttocks, rump, podex, anus (BK 1 665, Lane 846)