What is the difference between zuverlässig & zuverlässige?
What's the difference and how can you use them in a sentence? Let's say I want to tell my online friend about a product that I trust. The product is a masculine noun. How do you employ this words? Which one is the correct and more accurate?
zuverlässig =?
zuverlässige
zuverlässiger =?
zuverlässigsten =?
zuverlässigstes =?
zuverlässige =?
zuverlässigste =?
zuverlässiges =?

Question

What is the difference between zuverlässig & zuverlässige?
What's the difference and how can you use them in a sentence? Let's say I want to tell my online friend about a product that I trust. The product is a masculine noun. How do you employ this words? Which one is the correct and more accurate?
zuverlässig =?
zuverlässige
zuverlässiger =?
zuverlässigsten  =?
zuverlässigstes =?
zuverlässige  =?
zuverlässigste  =?
zuverlässiges =?

Answer

They are all "correct", but grammatically different. Which one you need to use depends on the grammar of the sentence where you want to use them, and on the degree (Positiv, Komparativ, Superlativ) that expresses your intention. Look up adjective/adverb, adjective endings (three declensions), and "adjective comparison" (German: Steigerung), e.g.

https://en.wikipedia.org/wiki/German_adjectives#Weak_and_strong_inflection
https://en.wikipedia.org/wiki/Comparison_%28grammar%29

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