I think what Breandán means is that there is more than one way to translate most, maybe all, things. In English, courage and bravery would be considered to mean the same thing so people may well offer alternative translations which are equally good.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

And to add to that, Irish is a case where the vocabulary in terms of sheer volume is more limited than English (then again, English has a vast vocabulary due to being global) but semantically, on a word by word level, Irish words are richer and can have more meanings.

I am excited to know about these "richer" words, so long as they don't cause indigestion, I have an ulcer. now that I think about it, rich creams and hazelnuts were supposed to be consumed in ancient life, its odd but here in America I cannot find a hazelnut at any of my grocery stores, only hazelnut "flavor"

can part of a word be disected like in English, such I saw almost all of the 9 you listed, had "acht" at the end, simple coincidence or important language building blocks?

You have detected an important language building block.

The -acht ending makes a noun out an adjective or sometimes an occupation. Some of the adjectives are:

críonna "wise, prudent"
cráifeach "pious, devout"
fadbhreathnaitheach "visionary, far-seeing"
buanseasmhacht "steadfast, persevering"
aíocht "hospitable"
neasartha "moderate, fair"
torthúil "fruitful, fertile, productive"

calma "stalwart, brave, strong"

ionraic "upright, honest"

As you can see, the -as ending also makes nouns, sometimes from other parts of speech.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

how very different! are these pieces of words important by location?

Not so different from any other language. -acht works in a very similar way to English -ness or Japanese -さ.

I am not sure what you mean by "location" there, but Irish is highly inflected so if you add the definite article to these nouns intial mutations will occur, and colocating them with prepositions or other nouns also causes initial mutations and sometimes changes their endings.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).