πάντοτε

πάντοτε means “always” (adverb).

“Rejoice in the Lord πάντοτε; again I say, Rejoice!” (Phil 4:4).

σήμερον

σήμερον means “today” (adverb)

“Give us σήμερον our daily bread” (Matt 6:11).

ἔτος

ἔτους, τό (*ἐτο)

ἔτος means “year.”

“Every ἔτος his parents went to Jerusalem for the feast of Passover” (Luke 2:41).

ὥρα

ὥρας, ἡ (*ὡρα)

ὥρα means “hour; occasion.”

“Concerning that day and ὥρα, no one knows but the Father” (Matt 24:36).

“The Holy Spirit will teach you at that ὥρα what you should say.” (Luke 12:12).

αἰών

αἰῶνος, ὁ (*αἰων)

αἰών means “age, eternity.”

“I am with you all the days, to the end of the αἰών” (Matt 28:20).