The main similarity is that both stories surround a family (not blood related) but have come together due to different reasons but love and live together like a loving family.
They also have similar vibes that are sweet but with different stories.
Both are worth watching if u like one or the other.

both female leads are a cop that is trying to become the best cop.
they both have their own life and family struggle but different types of struggles to each other.

a similar idea of a child lost and adopted
evil sister
rich and poor family dynamics
similar for a lot of the main storyline

remake at a different time period and different actors but the same story....................................................................

the events of the past that was tragic event for the female lead but then once the female and male lead meet and fall in love they help each other fight their problems.
ML and FL start off not knowing about ML rich family.
family/relationships.

sisters/ family- both dramas contain sisters that fight with each other but due to different reasons.
female lead living in a poor family with the male lead in a rich family
ML and FL of both stories have met in the past but then reunited but don't know each other until later.
love/hate

similar chemistry between the ML and FL where they both start off by fighting (one more than the other).
both stories contain a 'sister' (stepsister/cousin) role that is jealous of the FL and prevents them from being able to find the FL's long lost mother.

similar idea that the FL is lost/abandonded as a child.
evil jealous step sister that wants everything that belongs to the FL.
Both ML and FL for both stories have met and known each other as a child and now have fallen in love as an adult.

the main lead is the son of the CEO that joins/works at the company without people knowing who he is in both of the dramas while working with the main actress where they become closer to each other while working together.
both have similar relationship/rivalry.