凍

အွန်

トウ

ခွန်

こお(る)・こご(える)

凍る（こおる）、冷凍（れいとう）

to freeze, frozen

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