This is the 192nd most frequent Japanese word.
言わ
"言わ" is the stem form of the verb "言う" and means "to say" or "to tell."
In this sentence, the verb 言う (to say) is used in its polite form to describe someone's manner of speech.
彼はいつも何でも正直に言います。
He always says everything honestly.
This example uses the negative form of 言う (言わなかった), showing the absence of action or statement.
誰もそれについて何も言わなかった。
No one said anything about that.
Here, the conjugation of 言う serves as part of a compound verb (言い忘れる), indicating forgetting to say.