I collect words that I find pleasant-sounding or interesting in meaning. Here is a list of them.
By sound
Diaphanous
Eloquent
Enamour
Evanescence
Fleuron
Heathland
Illustrious
Murmur
Nivkh
Oscillation
Pasquinade
Pavonine
Resplendent
Semilunar
Slavonian
Telestic
Tenebrism
Names
Alexander
Andrius
Avdotya
Detlev
Edmund
Elagabalus
Ekaterina
Hadrian
Maurice
Montgomery
Natasha
Ophelia
Praskovya
Samuel
Theodore
Tsuyuko
Zvonimir
Toponyms
Chelmno (its terrible history aside)
Circassia
Edmonton
Halicarnassus
Kyoto
Northumberland
Srebrenica
(the c is pronounced as a 'ts')
Smolensk
Thessaloniki
Thrace
Windhoek
By meaning
Lucubrate: to study at night by lamplight, which is very specific and very relatable
Gravity: I like this one for its versatility and usefulness—referring to power, depth, and significance all at once.
Sublime: this word really captures the Romantic era, my favorite art period. Sublimeness can't be comprehended with the mind—it's beauty, wonder, or spiritual thrill beyond description. The sublime can seem mysterious or even divine.
Nostalgia: I think we all know the meaning. A lot of people seem to be nostalgic nowadays.
Fustian: an over-the-top, frivolous, affected writing style; a tawdry, verbose, and in the greatest sense sesquipadelian diction.
Wonder: expresses awe and childlike fascination, but with a touch of mystery.
Epigone: an inferior imitator of someone else, usually an artist.
Foreign terms
Тоска (toska): “No single word in English renders all the shades of toska. At its deepest and most painful, it is a sensation of great spiritual anguish, often without any specific cause. At less morbid levels it is a dull ache of the soul, a longing with nothing to long for, a sick pining, a vague restlessness, mental throes, yearning. In particular cases it may be the desire for somebody of something specific, nostalgia, love-sickness. At the lowest level it grades into ennui, boredom.” -Nabokov
Taedium vitae: A profound boredom of life.
Tsundoku: Buying more and more books without reading any of them. I know many people who struggle with this, including myself.