Flimflam and Mock-up

Flimflam noun - A clever often underhanded means to achieve an end.

Mock-up and flimflam are semantically related. In some cases you can use "Mock-up" instead a noun "Flimflam".

Mock-up noun - Full-scale working model of something built for study or testing or display.

Flimflam and mock-up are semantically related. Sometimes you can use "Flimflam" instead a noun phrase "Mock-up".