Have a look at this list of similar words

1. Sensitive = feel emotions easily / Sensible = act on good judgement and practical ideas
2. Avoid + ___ ing  / Prevent somebody/something from + ____ing
3. Manage + infinitive  / Succeed in + _____ing
4. Fond of / Keen on
5. Familiar with / Aware of
6. Borrow from someone / Lend to someone
7. Refer to / Mention + no preposition
8. Regret = feel sad about a past mistake. Regret+__ing / Forgive = stop being angry with someone. Forgive somebody for +___ing
9. Even though  / Althoug
10. Persuade somebody +infinitive  / Insist on somebody/something +__________ing
11. Note = a short piece of writing  / Notice = visual information or instructions
12. Besides this = and  / Beside = next to
13. Accused someone of +___ing   /  Charge somebody with
14. Hard = irregular adverb of hard  / Hardly = almost not
15. Give directions= say where to find a location  / Sense of direction = ability to know which direction to go in

Do you think that you know how to use them properly? Test yourself with this exercise:

“He was too (1)___ to be an engineer because he (2) ___expressing his opinions during projects in case he was wrong. He (3) ___ to do his job well apart from that, but he always felt nervous and was not (4) ___on teamwork.

Most of us are (5) ___with the situation of (6) ___someone a DVD or book and then never receiving it back. The borrower doesn’t even (7) ___ to it for weeks until you finally ask about it. They say they will watch or read it so you (8) ___ them and even (9) ___ they say this, you end up (10) ___ on having the DVD/book back after a further six months.

In the metro, you can see the (11) ___ on the wall saying, ‘Not paid for your ticket? Fine by me….£50.’ (12)___ this, if the police catch you a second time, you can be (13) ___of not paying and face a suspended prison sentence. However, this is (14) ___ fair as it is sometimes easy to lose your sense of (15) ___ on the underground and not pay by mistake.”

Result down below

 He was too (1) sensitive to be an engineer because he (2) avoided expressing his opinions during projects in case he was wrong. He (3) managed to do his job well apart from that, but he always felt nervous and was not (4) keen on teamwork.

Most of us are (5) familiar with the situation of (6) lending someone a DVD or book and then never receiving it back. The borrower doesn’t even (7) refer to it for weeks until you finally ask about it. They say they will watch or read it so you (8) forgive them and even (9) though they say this, you end up (10) insisting on having the DVD/book back after a further six months.

In the metro, you can see the (11) notice on the wall saying, ‘Not paid for your ticket? Fine by me….£50.’ (12) Besides this, if the police catch you a second time, you can be (13) accused of not paying and face a suspended prison sentence. However, this is (14) hardly fair as it is sometimes easy to lose your sense of (15) direction on the underground and not pay by mistake.