Guile
Sly or cunning intelligence
Hebdomadal
Weekly
Hector/hectoring/hectoring
Talk in a bullying way
Hegemony (hij gemony)
Leadership or Or dominance over a country or social class
Heuristic
Enabling someone to learn from oneself
Homogenous 
Of the same kind
Hubris/ hubristic
Having too much pride or self confindence
Hyperbole
Exeggerated statement not to be taken seriously
Ignominious
Deserving or causing public disgrace
Immolate/ immolation
To kill or sacrafice by fire
Immutable
Unchanging over time or unable to change
Impalpable
Unable to touch
Impecunious
Having little or no money
Impede/ impeding
Delay or prevent by blocking