“moreover”

Used to introduce an additional point that strengthens or extends a preceding argument.

“The research was flawed in its methodology; furthermore, the sample size was far too small to yield meaningful results.”

Best for: Works well in formal essays, academic writing, and structured arguments where logical progression matters.

In addition to what has already been stated; used to layer information cleanly.

“The renovation will modernize the kitchen; additionally, it will add significant resale value to the property.”

Best for: Clean and professional, suits business writing, reports, and journalism without feeling stiff.

In addition to all else; used to fold in a final or crowning point with elegance.

“She was a brilliant strategist and, withal, possessed a warmth that made her allies fiercely loyal.”

Best for: Best in literary or historical prose; feels archaic in casual use but lends gravitas in creative writing.

In addition to that; appended to what has just been mentioned.

“The contract outlined the payment terms, and thereto was appended a full schedule of deliverables.”

Best for: Formal and legalistic in tone; ideal for contracts, official documents, or deliberately stiff prose.

Beyond what is already present or required; used to emphasize surplus or excess.

“Over and above his technical skill, the candidate brought an infectious enthusiasm the team desperately needed.”

Best for: Punchy and idiomatic; works in speeches, editorials, and persuasive writing where you want emphasis with rhythm.

Coming as an addition or sequel upon something already established or existing.

“The discovery of the letters was remarkable; supervenient to this was the revelation that they had been forged.”

Best for: Extremely rare and philosophical in register; reserved for dense academic prose or deliberate stylistic effect.