20 letters
19 letters
18 letters
17 letters
16 letters
15 letters
13 letters
- concessionary23
- conclusionary25
- concretionary23
- confectionary26
- convulsionary26
- devolutionary23
- digressionary19
- discretionary20
- expeditionary27
- extraordinary24
- genitourinary20
- geostationary18
- illocutionary22
- nonstationary18
- precautionary23
- quincentenary31
- revolutionary22
- subventionary25
- subversionary24
12 letters
- abolitionary19
- accretionary21
- cotyledonary22
- deflationary20
- disciplinary23
- diversionary20
- eleemosynary21
- elocutionary20
- evolutionary21
- exclusionary27
- expansionary26
- extortionary22
- inflationary20
- postcoronary21
- previsionary22
- probationary21
- provisionary22
- recessionary18
- reflationary19
- reversionary19
- secretionary18
- tercentenary19
- traditionary16
- valetudinary22
11 letters
10 letters
9 letters
8 letters
5 letters
4 letters