When used as a suffix,
Words with 眠
The character 眠 is a combination of 目 and 民. 眠 has the meaning of sleeping, as in “falling asleep”.
Words with 冷
The character 冷 combines 冫 (relating to ice) and 令 (relating to commands). The command of ice results in: cold, which 冷 relates to.
Words with 海
The character 海 means sea. It is a combination of ⺡ (from 水, “water”) and 毎 (“every”).
Words with 姉
The character 姉 refers to an elder sister. Alone, it is pronounced あね. However, in an honorific form お姉さん, it is pronounced ねえ.
The Chinese-originated pronunciation is シ, and appears in words such as
Words with 服
The character 服 is used with the meaning “clothes”, and also with the meaning “submit” (submission). In both cases, it is pronounced as ふく.
Words with 食
The kanji 食 relates to food and eating.