1. (學) -- a prefix/suffix that means learning.

• 學校 (학교) a school
• 學生 (학생) a student
• 科學 (과학) science

For further examples of use in Korean: See here

See also: 학문, 배우다

2. (鶴) -- a crane.

• 학춤 the dance of the crane

See also:두루미