The speakers of "Some Keep the Sabbath Going to Church" and "Because I Could Not Stop for Death" are similar as:
Both are forthright and confident.
In the poem "Some Keep the Sabbath Going to Church" the poet speaks about her views on the worship and belief for god. She says that for her God is not just present in the Church rather he is present in all his creation. She tells about the people who dress according to the fashion and religious requirement but she worships God as what she is in reality. She even finds the rituals and customs of worshiping God vague. She worships God in the most unconventional manner. The poem "Because I Could Not Stop for Death" is about the journey of the poet towards death. She tells about the appearance of the death and her journey towards her grave. She doesn't fear death and says that the world moves on and it doesn't stop for anyone's death.