紧 U+07d27 紧
Radical: 糸
Decomposition: ⿱収糸
Acjk: 紧⿱収4糸.6
Definition: tense, tight, taut; firm, secure
其 U+05176 其
Radical: 八
Decomposition: ⿴共二
Acjk: 其⿴共:龷4二2共:八.2
Definition: his, her, its, their; that
后 U+0540e 后
Radical: 口
Decomposition: ⿸𠂋口
Acjk: 后⿸𠂋3口.3
Definition: queen, empress, sovereign; (simp. for 後) behind, rear, after