The architect employed numerous (a)   architectural techniques while building the stadium. (revolution)

The new drug has great (a)   for the treatment of the disease. (significant)

The bill was designed to (a)   new fathers to take time off work. (permission)

Many deaths from heart disease are actually (a)   . (avoid)

I would be (a)   grateful if you could have a word with her. (extreme)

It is considered (a)   to release the prisoners as many of them show violence on the streets. (safe)

The head of the school went on a tour of (a)   of all the classrooms. (inspect)

Early booking is (a)   because to reserve a room can be difficult in summer season. (advise)

The authorities have launched an (a)   to determine why the ferry sank. (investigate)

The virus program is (a)   easy to install and cheap to operate. (compare)

The young star's family is proud of their child's (a)   at her early age. (achieve)

Noone should speak (a)   about people from different races, ethnicities or religion. (respect)

Some people think it is (a)   to ask someone's age. (polite)

The committee made (a)   to the board on teachers' pay and conditions. (recommend)