\definefontfeature[punk][mode=node,script=latn,rand=yes,kern=yes,tlig=yes]

\starttypescript [serif] [punknova]
 \definefontsynonym[Serif]           [file:punknova-regular]    [features=punk]
 \definefontsynonym[SerifBold]       [file:punknova-bold]       [features=punk]
 \definefontsynonym[SerifItalic]     [file:punknova-slanted]    [features=punk]
 \definefontsynonym[SerifBoldItalic] [file:punknova-boldslanted][features=punk]
\stoptypescript

\starttypescript [punknova]
     \definetypeface [punknova] [rm] [serif] [punknova] [default]
\stoptypescript

\setupbodyfont[punknova]

\starttext
\rm \input knuth\par
\bf \input knuth\par
\it \input knuth\par
\bi \input knuth\par
\stoptext