rtxwrd 17

[ato]

3d Trip to go onerously if ill-prepared. [ 4,4 & 7 letters ] ?O?? ?O?R ?O?T?NG
5d Red giant containing iodine. [ 6 letters ] ?I???N
11a Inspector was formally an underground worker. [ 8 letters ] ??A???E?

[janbee]

11 examiner

[bibblebub]

5d TITIAN [red] giant = titan, iodine = i

[cupid04]

11a] examiner

[janbee]

lose your footing

[cupid04]

3d] miss your footing?

[mazie]

3d Lose your footing

[janbee]

I'm stuck on last two...can anyone help please
7ac 5 ltrs Clue: spy circle penetrates small division ?C?U? Is it scrum?
20ac 6 ltrs Clue: going out when second french boy returns E?R?S?
Thank you

[ato]

Thankyou all.

[bibblebub]

7a scout
20a egress

[janbee]

Thank you bibblebub. Much appreciated.