したshitaしむshimu
1.

To cultivate a close relationship with someone or something by consistently engaging with and enjoying their presence over time.

2.

To develop a sense of familiarity and comfort through repeated exposure and interaction, often leading to a deep appreciation or affinity.

3.

To regularly partake in or interact with a favored activity or entity, reinforcing a sense of connection and personal investment.

Example:

アメリカ人は大変親しみやすい。

nareしたshitaしむshimu
1.

To develop a deep familiarity and comfort with a person, place, or situation over time through repeated exposure or interaction.

2.

To adjust oneself gradually to new surroundings or experiences, leading to a sense of ease and acceptance.

3.

To cultivate a strong, affectionate connection with someone or something as a result of regular engagement and shared experiences.

Example:

今まで慣れ親しんできた生活習慣を捨てると言うのは、本当に大変なことだ。