blunder, error, mistake 这一组词都表示"错误"。
blunder n. (因为无知、疏忽犯下的)大错，愚蠢的错误。
I think that I committed a blunder in asking her because she seemed very upset by my question.
The accident was the result of human error.
I took your bag instead of mine by mistake.
blame, condemn, reproach, scold都有"责怪"的意思。
You can't blame anyone in case you fail the exam.
The wife condemned her husband for drinking too much.
reproach v. (书面语)责备，表示不满。
His teacher reproached him for not doing his homework.
Mother scolded me this morning for being rude to you.