✅ Reinforce means to support or strengthen (The bad weather reinforced my decision to stay home).

✅ Buttress means to support, prop up, or encourage (She used evidence to buttress her argument).

✅ Both these words mean to support and make something stronger.

✅ Buttress emphasizes support, whereas reinforce emphasizes strength (This material will reinforce the elbow patches; I used scaffolding to buttress the crumbling wall).

✅ To bask means to enjoy and savor a pleasant sensation (bask in the warm sunlight).

✅ To revel means to take pleasure or delight in something (revel in the chance to share knowledge).

✅ Both of these words mean to enjoy something.

✅ Bask suggests really enjoying something pleasant, whereas revel suggests taking pride or pleasure in something (She reveled in her sudden freedom; She basked in the attention).

✅ A branch is a particular division of a larger business or other establishment (The local branch of our county library).

✅ Arm refers to a specific area of a business or government that deals with a particular thing (the investigative arm of the government).

✅ These words both refer to specific subsections of businesses, governments, and organizations.

✅ Arm refers to a subsection of an organization that has a specific job, whereas branch refers to one of many local subsections of a larger business or organization (That bank opened up a new branch down the street; The legal arm of the business deals with these matters).