I think I have found an error in the Greek Strong's dictionary:
"G138":{"derivation":"probably akin to G142 (ἕλλομαι);","lemma":"ἕλλομαι","kjv_def":"choose","strongs_def":" to take for oneself, i.e. to prefer"},
The lemma should be αἱρέω I think. Where is this data from?