Denshi Jisho — Online Japanese dictionary

刎 はね counter for helmets, etc.
Suffix, Counter, Archaism 
刎死 ふんし decapitating oneself
Noun, Suru verb 
撥ねる はねる 1: to hit (e.g. to have a car hit someone); to run into;
2: to reject; to deny; to refuse;
3: to eliminate; to exclude; to leave out;
4: to flip; to splash; to splatter;
5: to decapitate; to behead;
6: to jump up;
7: to point or curl up (e.g. ends of hair)
Common word, Ichidan verb, Transitive verb 
跳ねる はねる 1: to jump; to leap; to prance; to spring up; to bound; to hop;
2: to break up; to close; to come to an end;
3: to hit (e.g. to have a car hit something or someone)
Common word, Ichidan verb, Intransitive verb 
刎ねる はねる 1: to hit (e.g. to have a car hit someone); to run into;
2: to reject; to deny; to refuse;
3: to eliminate; to exclude; to leave out;
4: to flip; to splash; to splatter;
5: to decapitate; to behead;
6: to jump up;
7: to point or curl up (e.g. ends of hair)
Ichidan verb, Transitive verb 
刎頚 ふんけい decapitation
Noun 
刎頸 ふんけい decapitation
Noun 
刎ね上がる はねあがる to jump up; to spring up
Godan verb with ru ending, Intransitive verb 

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