| alg- | basal |
| alg- | basic |
| alg- | elementary |
| alg- | initial |
| alg- | primary |
| alg- | proto- |
| hanijalg- | goosefoot |
| juttselg-kärnkonn (Bufo calamita) | natterjack |
| karvasjalg-kakk (Aegolius funereus) | Tengmalm's owl |
| karvasjalg-viu (Buteo lagopus) | rough-legged buzzard |
| kuusjalg- | hexapod |
| külg- | broadside |
| õlg- | rushwork |
| pruunselg-põõsalind (Sylvia communis) | whitethroat |
| punajalg-pistrik (Falco vespertinus) | red-footed falcon |
| punajalg-tilder | tattler |
| punajalg-tilder (Tringa totanus) | redshank |
| punaselg-õgija (Lanius collurio) | red-backed shrike |
| sipelg- | formic |
| telg- | axial |
| valgeselg- | white-backed |
