Compare: 凝る vs 凝る

凝るこごる

to congeal; to gelatinize; to jellify; to jell; to gell; to freeze

凝るこる

to become stiff (of muscles)

こごる凝る

N3Godan verb (ru ending)

to congeal; to gelatinize; to jellify; to jell; to gell; to freeze

N5CommonGodan verb (ru ending)

to become stiff (of muscles)

彼女は服(ふく)に凝(こる)っている。

She is particular about her dress.

彼(かれ)は野球に凝(こる)っている。

He has got baseball on the brain.