Recommendation
Advice
Synonyms: Advice, guidance, exhortation, advocacy, proposal, rider, counsel, direction, enjoinder, suggestion, and submission.
Endorsement
Synonyms: Commendation, good word, special mention, suggestion, praise, plug, endorsement, favourable mention, testimonial, tip, and words of approval/approbation.
Example Sentences
I received a glowing recommendation today.
Her recommendation helped me immensely.
He wrote a strong recommendation letter.
The recommendation was highly appreciated by management.