HUDAA- Lexicography
Ihdinaa : Guide us kindly, gently.
Hudan: To lead in right path, guide, conduct one, point out, show;

"And though it was hard (test), save for those whom Allah guided"
(Vocabulary of the Holy Quran, Dr Abdullah Abbas Nadvi)

This shows that Hudan is basically taking on the right path with loving care by Allah. (Lughatul Quran, Abdur-Rashid Nomani)
Guidance includes " directing " also, e.g:
"Did He (Allah) not find thee wandering, so directed (thee)"
(Vocabulary of the Holy Quran, Dr Abdullah Abbas Nadvi)

"Even so have We (Allah) appointed unto every Prophet,
as opponent from among the guilty;
but Allah sufficeth for a Guide and Helper."

This explains that one finds guidance only when (He) Allah guides, whatever be the situations.
Haddaa: also belongs, grammatically, to the form viii `fti-aal' : e.g. in verse 10-35.
Hadiyyatun : A gift, A present.
(Vocabulary of the Holy Quran, Dr Abdullah Abbas Nadvi)

Hadaa: To bring (the bride ) to (the bridegroom)
Hudaa: The True Religion, The Quran
Hadyah: Course, Manner
Hadiyun: Entitled to respect or protection
Haadin: Conductor, Leader, Guide, Point of an arrow or spear (J.G.Hava)
"Ihtadyil Amr Hii": To reach one's goal, attain an aim by following the true course. (J.G.Hava and Wortabet)

Hadyun: Way, Method
Hudan: The way of safety. (Wortabet)
Tahaadii: Balance one's self in working.
Ihtidaa": Keep in the right way.
Hady: Habit, Natural disposition, Institution, Custom
Hadyy: Anything venerable, precious
Hudya-t: Acting according to circumstances. (F.Steingass)