Cistern and Scow

Cistern noun - A sac or cavity containing fluid especially lymph or cerebrospinal fluid.

Scow and cistern are semantically related In some cases you can replace term "Scow" with "Cistern", this nouns are similar.

Scow noun - Any of various flat-bottomed boats with sloping ends.

Cistern and scow are semantically related in container topic. Sometimes you can use "Cistern" instead a noun "Scow".