Roots/origins of words - does anyone else do this?

One I always remember from my college linguistics class is the Dutch for frog: kikker ?

I often look up origins of words too. I was wondering if 'acre'
had any connection to 'hectare' as there are common letters. But it seems hectares are metric measurements whereas acres are imperial.

Sorry predictive text that should be Latin ecclesia

Acker of course is a German word for field - as you say, an easy connection.
We have many synonyms in English, I often think more than other languages and as a rule of thumb you can often trace the origins of synonyms back to Latin/Norman French roots and Anglo-Saxon /Germanic roots where the “grander” word will trace back to Norman French/Latin and the common or everyday word to Anglo-Saxon/Germanic roots
Eg “church” -Kirk in Scotland <Germanic “Kirche”
“Cathedral” (Fr cathédrale) and “ecclesiastical” (Latin ecclesiastical)
Even the humble chair or in medieval times a stool being what the peasantry sat on
Stool < German Stuhl and chair <fr chaise
It makes sense when you remember who the conquerors were in 1066 and what nationality the court and the people who ruled us were.