おくそく
guess; speculation; supposition
Common word Also written 臆測
Noun, Suru verb, Transitive
今いま言いったのは、私わたしの憶測おくそくにすぎないよ。
What I said was just a guess.
臆測おくそくでものを言いわないようにしないとね。
Take care and try not to speak on speculative things.