преобразовать в существительное и глагол:

active

reliable

able

curious

safe

certain

original

honest

electric

public

popular

formal

activity- to actreliability/reliance-to relyabillity-to be ablecuriosity -to be curious safety-to be safecertainty-to be certainorigin-to originatehonesty-to be honestelectricity-to electrifypublicity-to publicize popularity-to popularizeformality(formalism) -to formalize