1. BAR, BOR, POL, PUL, PIL, PIR, ZIR
    General sounds for the boiling water.
    The order of intensity seems to be:

    zir-pir-pil-bar-bor-pol-pul
    1. Ura zir-zir/pir-pir/pil-pil egon.
      To come to boil the water.
    2. Ura bar-bar/bor-bor/pol-pol/pul-pul egon.
      To be in an intense boiling the water.
    3. Bihotzak pil-pil egin.
      To beat the heart.
    4. Some plausible derivatives:
      1. Barbarita.
        Buzz, murmur.
      2. Barbullu.
        Uproar.
      3. Barbullatu.
        To kick up a row. To talk to much and nonsense.
  2. BARRA, PARRA
    The sound of pouring away something abundantly, as for a handful of grain.
    1. Dirua bara-barra gastatzen du horrek.
      This wo/man spends freely.
  3. BLINK, KLINK
    Sip; swallow.
    1. Blink/klink egin.
      To have a drink.
    2. Klinkada.
      Gulp.

All corrections and contributions are highly encouraged.
This series is selected, translated and adapted to current orthography without permission from: "Estudio sobre el euskera hablado" (A study about spoken Basque) written by Fr.Diego J.de Alzo, Donostia 1961.