Commonly found variants; note these may range from acceptable alternatives to non-standard forms or incorrect spellings*.
* Singlish is a largely spoken creole, and as such descriptivism (recording forms that reflect actual pronunciation in spoken language, or as appearing in the linguistic corpus) is more pertinent than strict prescriptivism. Nevertheless, the use of more standard forms (or for words originating in languages with Latin script, such as Malay, accurate to the original spelling) is recommended and encouraged.

also can:

hee peow her pio hir pio her peow hee piao her piao hee pioh her pioh hir pioh

hee pio

Hokkien:

鱼鳔

poj:

hî/hîr-piō

expand for details Detailed etymology

definitions

noun

  1. the swim bladder of a fish, also known as fish maw when used in a culinary context, where it is often sold dried and used for its spongy texture
  2. Unlike other simpler soups like Pong Tauhu or Bakwan Kepiting which are deemed more “daily meal”- like, Hee Pio Soup is much more laborious to prepare as everything is usually made from scratch.

    — 2014 September 19, Alan. TravellingFoodies, "On the Trail of the Phoenix – Hee Pio Soup". https://travellingfoodies.wordpress.com/2014/09/19/hee-pio-soup/