noun
facial features; looks; countenance
Refers to the overall appearance of a person's face, often with a nuance of character or impression. Commonly used in expressions like 人相が悪い (to look like a bad sort) or 人相書き (a facial sketch).
あの男は人相が悪い。
That man has a sinister look about him.
警察は
The police made a facial composite based on the witness's account.
noun
The practice or study of judging character from facial features. More technical and less common in everyday conversation than sense 1.
人相学は顔の特徴から性格を判断する。
Physiognomy judges personality from facial features.