渋

အွန်

ジュウ

ခွန်

しぶ(い)・しぶ(る)

渋い（しぶい）、渋滞（じゅうたい）

astringent/cool, traffic jam

On-reading (ジュウ) is used in compounds; kun-reading (しぶ(い)) is used standalone or with okurigana. This kanji forms verbs/adjectives with okurigana. Practice both the word form and compound forms.