'pledge of love' is correct and can be used in written English.
You can use it when you want to express a promise of love or commitment to a long-term relationship. For example, "I made a pledge of love to my partner, and I intend on honoring that promise throughout our lives together."
Carl renewed his pledge of love every morning.
It's not the typical passionate embrace, but as a pledge of love, it is as outspoken as Mr. Morris can be and wholly triumphant.
Just Elvis and guitar, displaying an nuanced display of gentle strength and pledge of love.
It is about the covenant, the lifetime pledge of love that has been made, which couples must constantly work at to sustain.
Wouldn't it be great to think that we are truly all created equal not just on paper but to each other in the flesh (no matter how much flesh we have) and that God's most powerful gift is love and to love another person no matter their gender, their bank account or looks (except for bad toupees) is far more Godly than denying the pledge of love to any group of people (other than yodelers).
They spill like leaves from her hands; pledges of love and devotion pour from the pages.
Gradually their oddly disjointed little tiffs, pledges of love and expressions of yearning made it clear that the script was based on e-mail.
Eventually, as the 13 songs (in under 32 minutes) start to add up, Ms. Cosentino's pledges of love — along with scattered details about her man's indifference — start to sound less like affection than like self-absorbed, nearly deranged obsession: "All I do is think about you all the time," she sings.
That they were part of an invited group who witnessed something extraordinary – the pledging of love between two people – love faithful, protective and sturdy.
After the ceremony, he explained his own tearful response to his daughter's pledge of lasting love.
Her husband would drive up to spend the night with her, bringing their little son as a pledge of their love, and they would make peace.
