Thus with your mouth
peh (peh)
the mouth (as the means of blowing), whether literal or figurative (particularly speech); specifically edge, portion or side; adverbially (with preposition) according to
ye have boasted
gadal (gaw-dal')
advance, boast, bring up, exceed, excellent, be(-come, do, give, make, wax), great(-er, come to...estate, + things), grow(up),increase, lift up, magnify(-ifical), be much set by, nourish (up), pass, promote, proudly (spoken), tower.
against me and have multiplied
`athar (aw-thar')
to be (causatively, make) abundant -- deceitful, multiply.
your words
dabar (daw-baw')
a word; by implication, a matter (as spoken of) or thing; adverbially, a cause
against me I have heard
shama` (shaw-mah')
to hear intelligently (often with implication of attention, obedience, etc.; causatively, to tell, etc.)
them