John 7:12

καὶ γογγυσμὸς περὶ αὐτοῦ ἦν πολὺς ἐν τοῖς ὄχλοις· οἱ μὲν ἔλεγον ὅτι Ἀγαθός ἐστιν, ἄλλοι [δὲ] ἔλεγον Οὔ, ἀλλὰ πλανᾷ τὸν ὄχλον.

Rough Word-by-word:
and muttering concerning him there was much in the crowds. The on the one hand they were saying that, "Good he is," but others on the other hand they were saying, "No, but he is deceiving the crowd." or "...No, and he might deceive the crowd"

Smooth Translation:
And there was much muttering concerning him in the crowds. On the one hand some were saying, "He is good," but others were saying, "No, but he is deceiving the crowd." or "...No, and he might deceive the crowd."

καὶ conjunction "and"

γογγυσμὸς noun nominative singular masculine "muttering"

περὶ preposition with genitive "concerning"

αὐτοῦ pronoun genitive singular masculine "him"

ἦν verb imperfect indicative 3rd singular from εἰμί (I am) "[it was] there was"

πολὺς adjective nominative singular masculine "much"

ἐν dative preposition "in"

τοῖς definite article dative plural masculine "the"

ὄχλοις noun dative plural masculine "crowds"

οἱ definite article nominative plural masculine "the"

μὲν correlative conjunction "on the one hand"

ἔλεγον verb imperfect active indicative 3rd plural from λέγω (I say) "they were saying"

ὅτι conjunction "that"

Ἀγαθός adjective nominative singular masculine "good"

ἐστιν verb present indicative 3rd singular from εἰμί (I am) "he is"

ἄλλοι adjective nominative plural masculine "others"

[δὲ] post positive correlating conjunction "and on the other hand, but on the other hand"

ἔλεγον verb imperfect active indicative 3rd plural from λέγω (I say) "they were saying"

Οὔ adverb of negation "not"

ἀλλὰ strong adversative conjunction "but"

πλανᾷ verb present active indicative or subjunctive 3rd singular from πλανάω (I deceive) "he is deceiving" or "he might deceive" (note: It might be good to remember that this form may be deceptive. I had to verify in the lexicon that both the subjunctive and present have this form.)

τὸν definite article accusative singular masculine "the"

ὄχλον noun accusative singular masculine "crowd"