It all starts wif ....>>>>O<<<<....?

[geovani]

1)what is relating or concerned with the sence of smell?
2)what is the singular of the word opera?
3)what is to swing backwards and forwards like a pendulum?
4)what branch of zoology deals with birds?
5)what is a living being that carries on the activites of life?
6)what is something from which a copy or reproduction is made?
7)what is a flavourable combination of circumstances,time and place?
8)what is a place a place where fruit or nut trees are grown?
9)what name is given to your eye socket?
10)what often unreasonable idea cannot be put out of the mind?
11)which grain is often used for human food and livestock feed?
12)what is the notice of a person's death in the newspaper?
13)what slender conical woodwind instrument has holes and keys?
14)what is a medium-sized American wildcat?
15)what related to clothing is something left over?
16)what is an event or sign warning of some future occurrence?
17)what is a great quantity of an object?

[rogan]

1. Olfactory
4. Orinthology
5. Organism
6. Original
8. Orchard
9. Optical
11. Oats
12. Obituary
13. Oboe (I believe)
16. Omen

Hope this helps!

[severin45]

1. Olfactory
2.
3.
4. Oology
5. Organism
6. Original
7.
8. Orchard
9. Optical
10.
11. Oat
12. Obituary
13. Oboe
14. Ocelot
15
16. Omen
17.