As verbs the difference between purging and pursing
is that purging is present participle of lang=en while pursing is present participle of lang=en.
As nouns the difference between purging and pursing
is that purging is the act by which something is purged while pursing is an expression or motion that purses.
purging
English
Verb
(head)
Noun
(
en noun)
The act by which something is purged.
(medicine) vomiting
* 1849 , The Journal of Health and Disease (page 98)
- He had violent pains in his belly, and purgings
pursing
English
Verb
(head)
Noun
(
en noun)
An expression or motion that purses.
* Oliver Sacks, Awakenings
- The muscles about the mouth exhibited puckering movements and occasional pursings and poutings of the lips.