Analyse differences and similarities in data collecting

-IC - There is no particular way to know whether a word will use the -ic or the -ical ending. The suffix -ic comes from French -ique, or Greek -ikos and means “having the nature of”, or “causing something”: academic, algebraic, arithmetic, artistic, athletic, catholic, domestic, dramatic, egoistic, emphatic, energetic, fantastic, geometric, strategic, linguistic, majestic, neurotic, pathetic, pedagogic, phonetic, public, semantic, syntactic, systematic, tragic.
He buys classic cars, traditional, old style.
His comic verse filled books, artistic comedy.
His economic theory was proved unsound, of the science of economics.
An electric motor powered the car, a particular machine.
That was a/an historic moment, recorded in past history.
The hysteric/hysterical woman was out of control, unable to control your behavior or emotions.
The little girl played with a magic wand, of a mysterious source.
He was a medic in the military, intern or doctor.
He wrote in a poetic speech, imaginative, having the quality of poetry, like poetry.
It's not politic to ask such questions wise.
-ICAL. The -ical form is often added to a word that already has a final -ic. Such adjectives often have a different or an additional meaning from the more basic -ic form: biological, chemical, critical, cynical, grammatical, fanatical, illogical, logical, mathematical, mechanical, medical, musical, pedagogical, physical, radical, surgical tactical, topical.
We listen to classical music, from a cultural (sometimes Greek, Roman, European) source, or 18thC.
His comical verse entertained audiences, funny.
His economical car was unsound, cheap.
Electrical equipment makes our work easier, general, and mass.
This is a/an historical moment, worthy of being recorded in history.
The movie was hysterical, very funny, causing uncontrollable laughter.
It was a magical experience, mysterious, wonderful, and exciting.
He did medical research, related to medicine.
He wrote in a poetical manner, having the form of poetry.