ホームシック

ほーむしっく
noun
homesickness
emotiondaily-life
1. homesickness; longing for home
The feeling of longing for one's home, family, or familiar surroundings when living away from home. Often experienced by students, overseas workers, or anyone living far from their hometown.
ホームシックになった。
I got homesick.
Right after starting study abroad, I got a bad case of homesickness.
Three months have passed since I started living alone, but I am sometimes troubled by severe homesickness.

From English "homesick." Used as a noun in Japanese, typically with なる (to become) or かかる (to come down with).

Common collocations