different between pertinacity vs changelessness

English

Etymology

From Middle French pertinacité, from Old French pertinace (“obstinate, stubborn”).

Noun

pertinacity (usually uncountable, plural pertinacities)

1. The state or characteristic of being pertinacious.
   • 1846, E.A.Poe, The Black Cat

     With my aversion to this cat, however, its partiality for myself seemed to increase. It followed my footsteps with a pertinacity which it would be difficult to make the reader comprehend.

   • 1851, Nathaniel Hawthorne, The House of Seven Gables, ch. 19:

     Again and again, however, and half a dozen other agains, with the inexorable pertinacity of a child intent upon some object important to itself, did he renew his efforts for admittance.

Synonyms

• pertinaciousness, resolve, stubbornness, tenacity

Translations

Anagrams

• antipyretic

English

Etymology

From changeless +? -ness.

Noun

changelessness (uncountable)

1. The state or quality of being changeless.
   • 1921, Edwin Arlington Robinson, The Man aginst the Sky, "The Poor Relation":

     With no illusion to assuage

     The lonely changelessness of dying […]

See also

• unchange (noun)