רַק
From LSJ
οὐκ ἔστι λύπης, ἄν περ ὀρθῶς τις σκοπῇ, ἄλγημα μεῖζον τῶν ἐν ἀνθρώπου φύσει → amongst the natural ills of man there is, if one but look at it aright, no greater pain than grief
English (Strong)
the same as רַקּוֹת as a noun; properly, leanness, i.e. (figuratively) limitation; only adverbial, merely, or conjunctional, although: but, even, except, howbeit howsoever, at the least, nevertheless, nothing but, notwithstanding, only, save, so (that), surely, yet (so), in any wise.