αλλα conjunction
alla  al-lah': other things, i.e. (adverbially) contrariwise (in many relations) -- and, but (even), howbeit, indeed, nay, nevertheless, no, notwithstanding, save, therefore, yea, yet.
τουναντιον adverb - contracted form
tounantion  too-nan-tee'-on:  on the contrary -- contrariwise.
ιδοντες verb - second aorist active passive - nominative plural masculine
eido  i'-do: to see; by implication, (in the perfect tense only) to know
οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
πεπιστευμαι verb - perfect passive indicative - first person singular
pisteuo  pist-yoo'-o: to have faith (in, upon, or with respect to, a person or thing), i.e. credit; by implication, to entrust (especially one's spiritual well-being to Christ)
το definite article - accusative singular neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ευαγγελιον noun - accusative singular neuter
euaggelion  yoo-ang-ghel'-ee-on: a good message, i.e. the gospel -- gospel.
της definite article - genitive singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ακροβυστιας noun - genitive singular feminine
akrobustia  ak-rob-oos-tee'-ah: the prepuce; by implication, an uncircumcised (i.e. gentile, figuratively, unregenerate) state or person -- not circumcised, uncircumcised , uncircumcision.
καθως adverb
kathos  kath-oce': just (or inasmuch) as, that -- according to, (according, even) as, how, when.
πετρος noun - nominative singular masculine
Petros  pet'-ros: as a name, Petrus, an apostle -- Peter, rock.
της definite article - genitive singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
περιτομης noun - genitive singular feminine
peritome  per-it-om-ay': circumcision (the rite, the condition or the people, literally or figuratively) -- circumcised, circumcision.