na-adjective
Describes a trait or feature that makes something stand out from others. Often used in the pattern 〜が特徴的だ or 〜な特徴.
彼の話し方には特徴的な抑揚がある。
His way of speaking has a distinctive intonation.
この地域の建
The architectural style of this region is very characteristic.
特有 means 'peculiar to' or 'specific to' something, whereas 特徴的 simply means 'characteristic' without necessarily implying exclusivity.
Compound of 特徴 (tokuchō, 'characteristic') + 的 (-teki, '-like'). The suffix 的 is a productive adjectival suffix borrowed from Chinese.