PostScript is kind of like a cross between Forth and Lisp. But it's actually a lot more like Lisp than Forth: high level, polymorphic, homoiconic, etc.

on: What are the enduring innovations of Lisp? (2022):

https://news.ycombinator.com/item?id=36159999

>PostScript is as truly homoiconic and polymorphic and interactive as Lisp.

on: Masterminds of Programming: Chuck Moore (2009):

https://news.ycombinator.com/item?id=21964186

on: Sun's NeWS was a mistake, as are all toolkit-in-server windowing systems (2013) (utoronto.ca):

https://news.ycombinator.com/item?id=22456471

    FORTH ?KNOW IF
        HONK!
    ELSE
        FORTH LEARN!
    THEN

https://news.ycombinator.com/item?id=29261771

on: Forth vs Lisp:

https://news.ycombinator.com/item?id=29261810

NeWS PostScript stuff:

https://news.ycombinator.com/item?id=22456831

Lisp in Forth:

https://news.ycombinator.com/item?id=26882117