Here are some common transition words that help connect ideas smoothly in writing:

Addition

• and
• also
• furthermore
• moreover
• in addition

Contrast

• but
• however
• on the other hand
• although
• nevertheless

Cause and Effect

• because
• therefore
• thus
• consequently
• as a result

Sequence or Order

• first
• next
• then
• finally
• afterward

Example or Clarification

• for example
• for instance
• in other words
• that is to say

Conclusion or Summary

• in conclusion
• to sum up
• overall
• in summary
• finally

If you want, I can also provide examples of how to use these in sentences!