哀れ[aware] pity
哀れっぽい[awareppoi] plaintive
哀れみ[awaremi] pity
哀れむ[awaremu] to commiserate
哀れ気[awarege] sad

哀音[aion] sad voices
哀歌[aika] lament (song)
哀楽[airaku] grief and pleasure
哀感[aikan] pathos
哀歓[aikan] joys and sorrows

哀惜[aiseki] grief
愛惜[aiseki] missing someone
一文惜み[ichimonoshimi] stinginess
骨惜しみ[honeoshimi] sparing oneself
出し惜しみ[dashioshimi] unwilling

出し惜しむ[dashioshimu] to grudge
惜しい[oshii] regrettable
惜しまない[oshimanai] without sparing (effort, funds, etc.)
惜しむ[oshimu] to be frugal
惜敗[sekihai] regrettable defeat