Although, even though, though, despite, in spite of

Explanation

https://learnenglish.britishcouncil.org/grammar/b1-b2-grammar/contrasting-ideas-although-despite-others

https://www.ecenglish.com/learnenglish/lessons/in-spite-despite-and-although

https://www.learn-english-today.com/lessons/lesson_contents/grammar/although-despite.html

https://www.mobberley.cheshire.sch.uk/wp-content/uploads/2015/07/Worksheet-14.pdf

Exercises

https://iuuk.mff.cuni.cz/~andrew/EAP/Murphy_p226-7.pdf

https://www.learn-english-today.com/lessons/lesson_contents/exercises/although-despite-quiz1.html

https://www.myenglishpages.com/grammar-exercise-although/

https://www.grammarbank.com/despite-although-exercise.html#google_vignette

https://english-practice.net/english-grammar-exercises-although-though-even-though-in-spite-of-despite/#google_vignette

https://test-english.com/grammar-points/b1/clauses-contrast-purpose-reason/2/

https://speakspeak.com/english-grammar-exercises/upper-intermediate/despite-in-spite-of-although-even-though-2

https://test-english.com/grammar-points/a2/however-although-time-connectors/

https://www.myenglishpages.com/grammar-exercise-although/

https://www.perfect-english-grammar.com/linking-words-contrast-exercise-1.html

https://agendaweb.org/grammar/conjunctions-connectors-exercises.html