W4H4I1S1T1L1I1N1G2
16 points
WHISTLING is validvalid
WHISTLE, to make a shrill, clear musical sound [v]
of e.g. a wind, making a shrill, clear musical sound [adj WHISTLINGLY] / the act of whistling [n -S]
WHISTLE, to make a shrill, clear musical sound [v]
of e.g. a wind, making a shrill, clear musical sound [adj WHISTLINGLY] / the act of whistling [n -S]