心

don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control

to take a fancy to something; to be moved; to feel inclined to

deeply religious; devout; godly; faithful

to turn over a new leaf; to mend one's ways; to reform

to establish an emotional bond with; to reach out to; to relate to

desire to tease; desire to cause mischief

depressing; dark (e.g. story); grim (e.g. expression)

irritating; annoying; tedious (work, person, etc.); boring

Adjective - yoi/ii class

comfortable (to live in); snug; cozy; cosy

heartache; ache in one's heart; emotional pain

pangs of conscience

hardworking; studious

to bear in mind; to keep remembering; to note

Nouns which may take the genitive case particle 'no'

telepathy; tacit understanding; thought transference; communion of mind with mind

Buddhism

non-verbal Zen Buddhist transmission to a disciple of the central tenets of Buddhism

to be pleased with; to suit

to cross one's mind; to spring to mind; to occur to one

Godan verb - Iku/Yuku special class

to fully understand and agree; to be convinced; to be fully satisfied (with an explanation)

egoistic; self-centered; selfish

state of mind; (one's) mental state

Noun or verb acting prenominally

bosom (buddy); trusted (friend)

to soothe one's soul; to raise one's spirits

don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control

to win over; to win (someone's) heart and mind

Idiomatic expression

to relate to; to have one's feelings understood

changing one's attitude; turning over a new leaf; getting a fresh start