heartsease vs peace

heartsease and peace both are nouns.

Word	Noun	Adjective	Verb	Adverb
heartsease	Yes	No	No	No
peace	Yes	No	No	No

As nouns, heartsease and peace are synonyms defined as:

Other synonyms of heartsease include ataraxis, peace of mind, peacefulness, repose, serenity.

heartsease (noun)	peace (noun)
the absence of mental stress or anxiety	a treaty to cease hostilities
common Old World viola with creamy often violet-tinged flowers	the absence of mental stress or anxiety
violet of Pacific coast of North America having white petals tinged with yellow and deep violet	the state prevailing during the absence of war
a common and long cultivated European herb from which most common garden pansies are derived	harmonious relations; freedom from disputes
	the general security of public places