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partner

In a sentence
Firmy podpísali partnerskú dohodu.
The companies signed a partnership agreement.
Partnerský projekt spája tri univerzity.
The partnership project links three universities.
Firmy uzavreli partnerskú spoluprácu.
The companies entered into a partnership collaboration.
Partnerský vzťah budujú na dôvere.
They build their partnership on trust.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.