Bekhorot 32: words to know

לְאַפְנוֹיֵי (le'afnuyei): To be free for a verbal analogy. Used to explain that a biblical phrase is superfluous so it can teach a comparison.
אִיכָּא לְמִיפְרַךְ (ika lemifrach): There is a refutation; it can be challenged. Introduces an objection showing why a proposed derivation by comparison fails.
מַאי נָפְקָא מִינַּהּ (mai nafka minah): What difference does it make?. Asks why an exact match in wording should be necessary for a verbal analogy.
אִם אֵינוֹ עִנְיָן (im eino inyan): If it does not apply to this subject. Applies a superfluous biblical phrase to teach a rule regarding animal tithe.
הַעֲמָדָה וְהַעֲרָכָה (ha'amadah veha'arakhah): Standing and evaluation by a priest. Refers to the requirement that a consecrated animal stand alive to be redeemed.