Usage: 2 forms in 4 verses
Form Translated As     In Verse(s)
τελευταίοισ finalities LXX.Prov.20.21
τελευταία and finality LXX.Prov.14.13
finalities LXX.Prov.14.12LXX.Prov.16.25

Liddell-Scott-Jones

τελευταῖος (teleutaios) finality G:A

τελευταῖος-αῖος, α, ον,

(τελευταῖος) last, in Order, οἱ τ. κύκλοι [Refs 5th c.BC+]; τὰ δύο τὰ τ. the last two lines, [Refs]; τὰ τ. the endings or terminations, [τελευταῖοςαίοις πίπτειν 5th-6th c.BC: Plato Philosophus “Respublica” 619e ">Refs 5th c.BC+]; τελευταῖοςαίους στῆσαι to station in the rear ranks, [Refs 5th c.BC+]; οἱ τ. πόδες the hind feet, [Refs 4th c.BC+]

__2 more frequently of Time, τ. ἡμέρα the last day allowed for payment, [Refs 4th c.BC+]; of a festival, without ἡμέρα, [Refs 5th c.BC+]; one's last day, [Refs 5th c.BC+]; ὁδὸν τὴν τ. one's last journey, [Refs 5th c.BC+]; τὸν τ. βίον the end of life, [Refs 4th c.BC+]
__3 uttermost, extremest, ὕβρις [Refs 5th c.BC+]; ὀλιγαρχία τ. [Refs 4th c.BC+]
__II τὸ τ. as adverb, for the last time, [Refs 5th c.BC+]; or τελευταῖοςαῖον, [Refs 5th c.BC+]; τὰ τ. [Refs 5th c.BC+]
__II.2 τὸ τ. finally, in the last place, [Refs 5th c.BC+]; τὰ τ. [τελευταῖοςαῖον 5th c.BC: Herodotus Historicus 1.91: but, ">Refs 5th c.BC+]
__II.3 the adjective is frequently used with Verbs, where we should use the adverb, τελευταῖοςαῖος δραμών [τελευταῖοςαῖοι 5th c.BC: Thucydides Historicus 1.67, etc.; compare τελευταῖοςάω 11.4. ">Refs 5th c.BC+]