different between stoppingly vs toppingly

English

Etymology

stopping +? -ly

Adverb

stoppingly (not comparable)

1. (in combination) In a way that causes something to stop.

   a heart-stoppingly beautiful woman

   • 2000, Eva Bourke, Travels with Gandolpho (page 38)

     Over a dirty hemp tunic he'd thrown a jerkin of goat's pelt in the manner of goatherds, two splints on the ankles were tied blood-stoppingly fast with leather thongs.

   • 2011, Victoria Pade, It Takes a Family

     Neither of them detracted from how traffic-stoppingly handsome he was, but they were enough to inspire questions and the ensuing jokes about how she'd beaten him up.

English

Etymology

topping +? -ly

Adverb

toppingly (comparative more toppingly, superlative most toppingly)

1. (Britain, informal, dated) In a topping manner; splendidly, wonderfully.
2. (dated) In a proud or superior manner.

Further reading

• Samuel Johnson (15 April 1755) , “TOPPINGLY”, in A Dictionary of the English Language: […] In Two Volumes, volume II (L–Z), London: […] J[ohn] and P[aul] Knapton; […], OCLC 1637325.