Guess
Speculation
noun, verbal noun
おくそく
推定 (すいてい) Estimation, Estimate
推測 (すいそく) Conjecture, Speculation, Guess
憶測 (おくそく) Guess, Speculation
予測 (よそく) Prediction, Estimation, Forecast
奥底 (おくそこ) Depths, Bottom
A recollection 憶 measurement 測 is just a Guess 憶測
I Guess these are your wife's 奥 おく(さん) socks そく