Tk
linuxA graphical user interface toolkit paired with Tcl, providing a set of widgets for building desktop applications
Pronunciation
Correct
tee-kay
/tiː keɪ/
Spoken as two letters: 'tee' and 'kay'. Always used together with Tcl as 'Tcl/Tk' (tickle-tee-kay).
Source: www.tcl.tk(official spec)