different between inadvertence vs thoughtlessness

English

From Middle French inadvertance

inadvertence (countable and uncountable, plural inadvertences)

The state or quality of being inadvertent; inadvertency; heedlessness; carelessness; negligence.
Many mistakes proceed from inadvertence.
An effect or result of inattention; an oversight or mistake from negligence.

thoughtless +? -ness

(UK) IPA^(key): /????tl?sn?s/, /????tl?sn?s/, /????tl?sn?s/
(General American) enPR: thôt?l?s-n?s, thôt?l?s-n?s, thôt?l?s-n?s, IPA^(key): /???tl?sn?s/, /???tl?sn?s/, /???tl?sn?s/
(cot–caught merger) enPR: thät?l?s-n?s, thät?l?s-n?s, thät?l?s-n?s, IPA^(key): /???tl?sn?s/, /???tl?sn?s/, /???tl?sn?s/

thoughtlessness (uncountable)

Send