Denshi Jisho — Online Japanese dictionary

こう anti-
Prefix 
こうぎ protest; objection
Common word, Noun, Suru verb, No-adjective 
こうきん antibacterial; antimicrobial
Common word, Na-adjective, Noun, No-adjective 
こうげん antigen
Common word, Noun 
こうこく kokoku (interlocutory) appeal; protest; complaint
Common word, Noun, Suru verb 
こうせん resistance
Common word, Noun, Suru verb 
こうそう dispute; resistance
Common word, Noun, Suru verb 
こうたい antibody
Common word, Noun 
こうにち anti-Japanese
Common word, Noun 
たいこう opposition; antagonism
Common word, Noun, Suru verb 
ていこう 1: resistance; opposition;
2: reluctance; repulsion; repugnance;
3:
4: (Physics term) resistance; drag; friction;
5: (Abbreviation) electrical resistance; (Noun) (Abbreviation) resistor
Common word, Noun, Suru verb 
はんこう opposition; resistance; insubordination; defiance; hostility; rebellion
Common word, Noun, Suru verb 
あらがう to go against; to fight against; to oppose; to resist; to deny
Godan verb with u ending, Intransitive verb 
きっこう rivalry; competition; antagonism; struggle for supremacy
Noun, Suru verb 
こううつ antidepressant
Noun 
こうきょ resistance; opposition
Noun, Suru verb 
こうげん antigen
Noun 
こうげん protest
Noun, Suru verb 
こうてい resistance; opposition
Noun, Suru verb, Archaism 
こうどく anti-German
No-adjective 
こうべん protest; refutation; pleading
Noun, Suru verb 
うつ こううつ antidepressant
Noun 
する こうする to resist; to defy
Suru verb - special class, Intransitive verb 
議文 こうぎぶん written protest
Noun 
毒素 こうどくそ antitoxin; antivenin; antivenom
Noun 
老化 こうろうか anti-aging
Noun, Suru verb 

Found 130 words. Page one, two, three, four, five

You can also

Look up kanji details for *抗*.

Try a Yahoo Jisho search for *抗* .
Try a Goo Jisho search for *抗* .
Try a Google search for *抗* .