ην relative pronoun - accusative singular feminine
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
τινες indefinite pronoun - nominative plural masculine
tis  tis:  some or any person or object
επαγγελλομενοι verb - present middle or passive deponent participle - nominative plural masculine
epaggello  ep-ang-el'-lo: to announce upon (reflexively), i.e. (by implication) to engage to do something, to assert something respecting oneself -- profess, (make) promise.
περι preposition
peri  per-ee': through (all over), i.e. around; figuratively with respect to; used in various applications, of place, cause or time
την definite article - accusative 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.
πιστιν noun - accusative singular feminine
pistis  pis'-tis: persuasion, i.e. credence; moral conviction; by extension, the system of religious (Gospel) truth itself -- assurance, belief, believe, faith, fidelity.
ηστοχησαν verb - aorist active indicative - third person
astocheo  as-tokh-eh'-o: to miss the mark, i.e. (figuratively) deviate from truth -- err, swerve.
η definite article - nominative 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.
χαρις noun - nominative singular feminine
charis  khar'-ece: acceptable, benefit, favour, gift, grace(-ious), joy, liberality, pleasure, thank(-s, -worthy).
μετα preposition
meta  met-ah':  denoting accompaniment; amid (local or causal);
σου personal pronoun - second person genitive singular
sou  soo: of thee, thy -- home, thee, thine (own), thou, thy.
αμην hebrew transliterated word
amen  am-ane': firm, i.e. (figuratively) trustworthy; adverbially, surely (often as interjection, so be it) -- amen, verily.