energetic

2 syllables

• hettick

3 syllables

• pathetic
• genetic
• magnetic
• athletic
• poetic
• synthetic
• cosmetic
• aesthetic
• prosthetic
• kinetic
• kinetic(2)
• prophetic
• ascetic
• acetic
• emetic
• esthetic
• frenetic
• phonetic

4 syllables

• sympathetic
• diabetic
• anesthetic
• arithmetic
• anaesthetic
• apathetic
• empathetic
• alphabetic
• dietetic
• diuretic
• bionetic
• geodetic
• homiletic
• kinesthetic
• synergetic

5 syllables

• apologetic
• unsympathetic
• peripatetic
• diamagnetic
• epigenetic
• ferromagnetic
• geomagnetic
• helionetic
• hyperkinetic
• intermagnetic
• paramagnetic
• pharmakinetic

6 syllables

• electromagnetic
• parasympathetic
• parthenogenetic
• unapologetic