As verbs the difference between gaining and achieving
is that gaining is while achieving is .
As nouns the difference between gaining and achieving
is that gaining is gain; profit while achieving is achievements, emphasizing the process of accomplishing them.
gaining
English
Verb
(head)
Noun
(
en noun)
gain; profit
* 1807 , The London Medical and Physical Journal
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achieving
English
Verb
(head)
Noun
(
en noun)
achievements, emphasizing the process of accomplishing them.