Common words that rhyme with so-that include that, phat, somewhat, at, proletariat, pat, offbeat, float, neat, cheat, fat, sweat, eat, tat and heat.
I will never forget that amazing day.
Oh, what a beautiful day.
She wore a silly hat today.
Their goals remain somewhat vague.
We had a face to face chat after years.
People chatted animatedly at the outdoor cafe.