とりわけ (toriwake) means “especially”

More examples

彼の説明はとりわけ分かりやすかったです。kare no setsu mei wa to ri wa ke wa ka ri ya su ka tta de su

His explanation was especially easy to understand.

Marks one person, thing, or quality as standing out from the rest in a comparison.

特にtokuni: It emphasizes a particular person, thing, or quality without requiring a broad comparison.

他のものと比べて、重要性や程度などが特に際立っているさま。hoka no mo no to kura be te jū yō sei ya tei do na do ga toku ni kiwa da tte i ru sa ma

The adverb とりわけ (toriwake) comes from 取り分ける (toriwakeru, "to separate out") and developed the sense of singling something out from others.

The adverb とりわけ (toriwake) is common in formal or written Japanese and often highlights one item within a broader comparison, while 特に (tokuni) is the more general everyday alternative.