Biiig difference in falling(stumbling) in our faith to falling away (totally) from it.
Strong's Exhaustive Concordance
depart, fall away, refrain, withdraw self.
; to remove, i.e. (actively) instigate to revolt; usually (reflexively) to desist, desert, etc. -- depart, draw (fall) away, refrain, withdraw self.
NAS Exhaustive Concordance
to lead away, to depart from
abstain (1), depart (1), departed (1), deserted (1), drew away (1), fall away (2), falls away (1), leave (1), left (2), let go (1), stay away (1), withdrew (1).
Thayer's Greek Lexicon
1. transitively, in present, imperfect, future, 1 aorist active, to make stand off, cause to withdraw, to remove; tropically, to excite to revolt: Acts 5:37
(ἀπέστησε λαόν ... ὀπίσω αὐτοῦ drew away after him; τινα ἀπό τίνος, Deuteronomy 7:4
, and in Greek writings from Herodotus 1, 76 down).
2. intransitively, in perfect, pluperfect, 2 aorist active, to stand off, stand aloof, in various senses (as in Greek writings) according to the context: ἀπό with the genitive of person to go away, depart, from anyone, Luke 13:27
(from Psalm 6:9
; cf. Matthew 7:23
ἀποχωρεῖτε ἀπ' ἐμοῦ); Acts 12:10
; Acts 19:9
; to desert, withdraw from, one, Acts 15:38
; to cease to vex one, Luke 4:13
; Acts 5:38
; Acts 22:29
; 2 Corinthians 12:8
; to fall away, become faithless, ἀπό Θεοῦ, Hebrews 3:12
; to shun, flee from, ἀπό τῆς ἀδικίας, 2 Timothy 2:19
. Middle, to withdraw oneself from: absolutely, to fall away, Luke 8:13
; (τῆς πίστεως, 1 Timothy 4:1
, cf. Winers Grammar, 427, 428 (398)); to keep oneself away from, absent oneself from, Luke 2:37
(οὐκ ἀφίστατο ἀπό (T Tr WH omit ἀπό) τοῦ ἱεροῦ, she was in the temple every day); from anyone's society or fellowship, 1 Timothy 6:5
I hope that wasn't too pathethic for you.